Whenever Cheering Fanatic attacks, choose a card name. Spells with the chosen name cost less to cast this turn.

Target creature you don't control gets -2/-0 until end of turn and attacks this turn if able.

Overload (You may cast this spell for its overload cost. If you do, change "target" in its text to "each.")

Artifact spells you cast have convoke. (Your creatures can help cast those spells. Each creature you tap while casting an artifact spell pays for or one mana of that creature's color.)

Red spells cost more to cast.

Each player mills five cards.

Flashback (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Tap up to two target creatures. Those creatures don't untap during their controller's next untap step.

Madness (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)

Spells you control can't be countered.

At the beginning of your end step, discover 5. (Exile cards from the top of your library until you exile a nonland card with mana value 5 or less. Cast it without paying its mana cost or put it into your hand. Put the rest on the bottom in a random order.)

Mutate (If you cast this spell for its mutate cost, put it over or under target non-Human creature you own. They mutate into the creature on top plus all abilities from under it.)

Whenever this creature mutates, each opponent sacrifices a creature.

Kicker (You may pay an additional as you cast this spell.)

If this spell was kicked, put a +1/+1 counter on a creature you control.

All creatures get -2/-2 until end of turn.

When you set this scheme in motion, target opponent chooses a player. Until your next turn, only you and the chosen player can cast spells and attack with creatures.

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for or one mana of that creature's color.)

Search your library for a creature card with mana value X or less, put it onto the battlefield, then shuffle.

Flying

Heroic — Whenever you cast a spell that targets Chorus of the Tides, scry 1. (To scry 1, look at the top card of your library, then you may put that card on the bottom of your library.)

Flying

Whenever you cast a noncreature spell, incubate X, where X is that spell's mana value. (Create an Incubator token with X +1/+1 counters on it and ": Transform this artifact." It transforms into a 0/0 Phyrexian artifact creature.)

Morph (You may cast this card face down as a 2/2 creature for . Turn it face up any time for its morph cost.)

When Chromeshell Crab is turned face up, you may exchange control of target creature you control and target creature an opponent controls.

Until your next turn, creatures can't attack you. Exile Chronomantic Escape with three time counters on it.

Suspend 3— (Rather than cast this card from your hand, you may pay and exile it with three time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, you may cast it without paying its mana cost.)

: Cinder Pyromancer deals 1 damage to target player or planeswalker.

Whenever you cast a red spell, you may untap Cinder Pyromancer.

This spell costs less to cast for each permanent you control with oil counters on it.

Vigilance

When Cinderslash Ravager enters the battlefield, it deals 1 damage to each creature your opponents control.

When Circle of Confinement enters the battlefield, exile target creature an opponent controls with mana value 3 or less until Circle of Confinement leaves the battlefield.

Whenever an opponent casts a Vampire spell with the same name as a card exiled with Circle of Confinement, you gain 2 life.

Whenever you cast a blue spell, exile the top card of target player's library.

Whenever you cast a black spell, exile the top card of target player's library.

Your opponents can't cast spells with the same name as a card exiled with Circu, Dimir Lobotomist.

Whenever an opponent casts an artifact spell, put a +1/+1 counter on Citanul Druid.

Whenever one or more other nontoken permanents with a name originally printed in the Arabian Nights expansion are on the battlefield, their controllers sacrifice them.

Players can't cast spells or play lands with a name originally printed in the Arabian Nights expansion.

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for or one mana of that creature's color.)

If a source you control would deal damage to a permanent or player, it deals triple that damage instead.

Return target creature card with mana value 2 or less from your graveyard to the battlefield.

Clay Champion enters the battlefield with three +1/+1 counters on it for each spent to cast it.

When Clay Champion enters the battlefield, choose up to two other target creatures you control. For each spent to cast Clay Champion, put a +1/+1 counter on each of them.

Creatures your opponents control get -1/-1 until end of turn. (Then exile this card. You may cast the creature later from exile.)

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for or one mana of that creature's color.)

Any number of target nonland permanents you control phase out. (Treat them and anything attached to them as though they don't exist until your next turn.)

Exile target card from a graveyard. If it was a creature card, you gain 3 life. Otherwise, you draw a card.

Escape—, Exile five other cards from your graveyard. (You may cast this card from your graveyard for its escape cost.)

Buyback (You may pay an additional as you cast this spell. If you do, put this card into your hand as it resolves.)

Choose a counter on target permanent or suspended card. Remove that counter from that permanent or card or put another of those counters on it.

When Clone Crafter enters the battlefield, conjure a duplicate of a random creature card from your opponent's library into your hand. It perpetually gains "You may spend mana as though it were mana of any color to cast this spell."

As Cloud Key enters the battlefield, choose artifact, creature, enchantment, instant, or sorcery.

Spells you cast of the chosen type cost less to cast.

Mutate (If you cast this spell for its mutate cost, put it over or under target non-Human creature you own. They mutate into the creature on top plus all abilities from under it.)

Reach

Whenever this creature mutates, you may discard a card. If you do, draw a card.

Whenever you cast a multicolored instant or sorcery spell, you may pay . If you do, copy that spell. You may choose new targets for the copy.

Whenever a player casts a historic spell, that player draws a card. (Artifacts, legendaries, and Sagas are historic.)

Whenever chaos ensues, return target historic card from your graveyard to your hand.

Enchant creature you control

Enchanted creature is a Flagbearer.

While an opponent is choosing targets as part of casting a spell they control or activating an ability they control, that player must choose at least one Flagbearer on the battlefield if able.

Undaunted (This spell costs less to cast for each opponent.)

Return all nonland permanents to their owners' hands.

As an additional cost to cast this spell, exile a creature card from your graveyard.

, Exile Cobbled Lancer from your graveyard: Draw a card.

Vigilance

When Codespell Cleric enters the battlefield, if it was the second spell you cast this turn, put a +1/+1 counter on target creature.

Commanders you control have ward .

: Add . Spend this mana only to cast Aura and/or Equipment spells.

: Attach target Aura or Equipment you control to target creature you control. Activate only as a sorcery.

When Colfenor's Plans enters the battlefield, exile the top seven cards of your library face down.

You may look at the cards exiled with Colfenor's Plans, and you may play lands and cast spells from among those cards.

Skip your draw step.

You can't cast more than one spell each turn.

Exile the top six cards of your library. You may cast up to two sorcery spells with mana value 3 or less from among them without paying their mana costs. Put the exiled cards not cast this way on the bottom of your library in a random order.

Kicker (You may pay an additional as you cast this spell.)

Target creature gets +3/+3 until end of turn. If this spell was kicked, instead that creature gets +4/+4 and gains trample and haste until end of turn.

Double strike

When Combat Thresher enters the battlefield, draw a card.

//PRT-Prototype_Mech//

Prototype (You may cast this spell with different mana cost, color, and size. It keeps its abilities and types.)

1/1

Cast this spell only during the declare attackers step and only if you've been attacked this step.

Return one or two target attacking creatures to their owner's hand.

Whenever you attack, spells you cast from exile this turn cost less to cast, where X is the number of players being attacked. Exile the top X cards of your library. Until end of turn, you may cast spells from among those exiled cards.

Creatures you control get +1/+1 for each time you've cast your commander from the command zone this game.

At the beginning of your end step, put a loyalty counter on another target planeswalker you control.

+1: Create a 1/1 red Wizard creature token with ": Add . Spend this mana only to cast a planeswalker spell."

−3: You draw X cards and Commodore Guff deals X damage to each opponent, where X is the number of planeswalkers you control.

Commodore Guff can be your commander.

Surge (You may cast this spell for its surge cost if you or a teammate has cast another spell this turn.)

Target player draws two cards.

Aftermath (Cast this spell only from your graveyard. Then exile it.)

Choose a card name. Until your next turn, your opponents can't cast spells with the chosen name.

Menace (This creature can't be blocked except by two or more creatures.)

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for or one mana of that creature's color.)

When Conclave Phalanx enters the battlefield, you gain 1 life for each creature you control.