Improvise (Your artifacts can help cast this spell. Each artifact you tap after you're done activating mana abilities pays for .)

Menace

Target creature you control gains double strike until end of turn. (Then exile this card. You may cast the artifact later from exile.)

Destroy target creature or planeswalker. You lose 2 life. (Then exile this card. You may cast the creature later from exile.)

Flash (You may cast this spell any time you could cast an instant.)

Reach (This creature can block creatures with flying.)

Sword Coast Serpent can't be blocked as long as you've cast a noncreature spell this turn.

Equipped creature gets +2/+2 and has protection from instants and from sorceries.

Whenever equipped creature deals combat damage to a player, create a Treasure token. When you next cast an instant or sorcery spell this turn, copy that spell. You may choose new targets for the copy.

Equip

Target creature gets +2/+2 and gains trample until end of turn.

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

This spell costs less to cast if you control at least two creatures that share a creature type.

Put target nonland permanent into its owner's library second from the top.

Extort (Whenever you cast a spell, you may pay . If you do, each opponent loses 1 life and you gain that much life.)

Improvise (Your artifacts can help cast this spell. Each artifact you tap after you're done activating mana abilities pays for .)

You may have Synth Infiltrator enter the battlefield as a copy of any creature on the battlefield, except it's a Synth artifact creature in addition to its other types.

Target player loses 2 life and you gain 2 life.

Retrace (You may cast this card from your graveyard by discarding a land card in addition to paying its other costs.)

Flying, haste

At the beginning of each end step, if a creature card left your graveyard this turn, target Phoenix you control deals damage equal to its power to any target.

Whenever another Phoenix you control dies, you may cast Syrix, Carrier of the Flame from your graveyard.

Choose one. If you control a commander as you cast this spell, you may choose both instead.

• Each opponent sacrifices a creature they control with the greatest power.

• Exile all opponents' graveyards, then create X 0/1 black Thrull creature tokens, where X is the greatest power among creature cards exiled this way.

Instant, sorcery, and Dragon spells you control can't be countered.

Whenever you cast an instant or sorcery spell from your hand, if Taigam, Ojutai Master attacked this turn, that spell gains rebound. (Exile the spell as it resolves. At the beginning of your next upkeep, you may cast that card from exile without paying its mana cost.)

Choose target creature you control and target creature you don't control. If you cast this spell during your main phase, the creature you control gets +1/+1 until end of turn. Then those creatures fight each other. (Each deals damage equal to its power to the other.)

Converge — Tajuru Stalwart enters the battlefield with a +1/+1 counter on it for each color of mana spent to cast it.

Return target spell to its owner's hand. (Then exile this card. You may cast the creature later from exile.)

Cast this spell only during an opponent's turn and only during combat.

Prevent all combat damage that would be dealt to you and planeswalkers you control this turn. Untap all attacking creatures and goad them. After this phase, there is an additional combat phase.

Target opponent reveals the top seven cards of their library. You may cast an instant or sorcery spell from among them without paying its mana cost. Then that player puts the rest into their graveyard.

Spell mastery — If there are two or more instant and/or sorcery cards in your graveyard, you may cast up to two instant and/or sorcery spells from among the revealed cards instead of one.

Flying

As Talion, the Kindly Lord enters the battlefield, choose a number between 1 and 10.

Whenever an opponent casts a spell with mana value, power, or toughness equal to the chosen number, that player loses 2 life and you draw a card.

Any time you could cast a sorcery, you may exile a nonland card from your hand with X time counters on it, where X is its mana value. If the exiled card doesn't have suspend, it gains suspend. (At the beginning of its owner's upkeep, they remove a time counter. When the last is removed, the player may cast it without paying its mana cost. If it's a creature, it has haste.)

Whenever chaos ensues, remove two time counters from each suspended card you own.

Whenever you cast an instant or sorcery spell, create a 2/2 blue Drake creature token with flying.

+1: Choose up to two target creatures. Until your next turn, whenever either of those creatures deals combat damage, you draw a card.

−2: Tap up to two target nonland permanents. They don't untap during their controller's next untap step.

−7: Draw three cards. You get an emblem with "You may cast spells from your hand without paying their mana costs."

Flash (You may cast this spell any time you could cast an instant.)

Reach (This creature can block creatures with flying.)

, : Draw a card. Activate only if you've cast a noncreature spell this turn.

Flying

Whenever TARDIS attacks, if you control a Time Lord, the next spell you cast this turn has cascade and you may planeswalk.

Crew 2 (Tap any number of creatures you control with total power 2 or more: This Vehicle becomes an artifact creature until end of turn.)

Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)

Delve (Each card you exile from your graveyard while casting this spell pays for .)

: Mill two cards, then return a nonland card of an opponent's choice from your graveyard to your hand.

As an additional cost to cast this spell, you may pay any number of times.

You gain 3 life plus an additional 3 life for each additional you paid.

Whenever you cast a red spell, Tattermunge Duo gets +1/+1 until end of turn.

Whenever you cast a green spell, Tattermunge Duo gains forestwalk until end of turn. (It can't be blocked as long as defending player controls a Forest.)

Changeling (This card is every creature type.)

Whenever an opponent casts a spell, you may put a +1/+1 counter on Taurean Mauler.

Nightbound (If a player casts at least two spells during their own turn, it becomes day next turn.)

Whenever you cast a Beast or Bird creature spell, you may copy it, except the copy is an artifact in addition to its other types. (The copy becomes a token.)

This spell costs less to cast for each creature in your party.

: Look at the top six cards of your library. You may reveal up to two Cleric, Rogue, Warrior, Wizard, and/or Ally cards from among them and put them into your hand. Put the rest on the bottom of your library in a random order.

Destroy target enchantment.

Fuse (You may cast one or both halves of this card from your hand.)

Cast this spell only during the declare attackers step.

Attacking creatures you control get +X/+0 until end of turn, where X is the number of attacking creatures. Sacrifice those creatures at the beginning of the next end step.

Flash

Creature cards you own that aren't on the battlefield have flash.

Each opponent can cast spells only any time they could cast a sorcery.

+1: Look at the top two cards of your library. Put one of them into your hand and the other on the bottom of your library.

−1: Untap up to four target permanents.

−10: You get an emblem with "You may activate loyalty abilities of planeswalkers you control on any player's turn any time you could cast an instant."

Teferi, Temporal Archmage can be your commander.

Enchant planeswalker

Enchanted planeswalker has "−12: You get an emblem with ‘You may activate loyalty abilities of planeswalkers you control on any player's turn any time you could cast an instant.'"

Whenever you draw a card, put a loyalty counter on enchanted planeswalker.

You may cast Tegwyll's Scouring as though it had flash by tapping three untapped creatures you control with flying in addition to paying its other costs.

Destroy all creatures. Create three 1/1 black Faerie Rogue creature tokens with flying.

Target creature you control gets +1/+0 until end of turn and can't be blocked this turn.

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

Trample

Whenever you cast a spell with mana value 5 or greater, put a +1/+1 counter on Tempest Hart.

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.)

The owner of target nonland permanent puts it into their library second from the top or on the bottom.

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

Choose up to X creatures and/or planeswalkers you control, where X is the number of times this spell was kicked. Those permanents phase out.

Temporal Firestorm deals 5 damage to each creature and each planeswalker.

Take an extra turn after this one. Exile Temporal Mastery.

Miracle (You may cast this card for its miracle cost when you draw it if it's the first card you drew this turn.)

Create a Food token. (Then exile this card. You may cast the creature later from exile.)

When Tenacious Pup enters the battlefield, you gain 1 life. When you cast your next creature spell, that creature enters the battlefield with an additional +1/+1 counter, trample counter, and vigilance counter on it.

Blitz—, Pay 2 life. (If you cast this spell for its blitz cost, it gains haste and "When this creature dies, draw a card." Sacrifice it at the beginning of the next end step.)

You may cast Tenacious Underdog from your graveyard using its blitz ability.

Target player loses 2 life and you gain 2 life.

Storm (When you cast this spell, copy it for each spell cast before it this turn. You may choose new targets for the copies.)

This spell costs less to cast if you control a creature with menace.

Gain control of target creature until end of turn. Untap that creature. It gains haste until end of turn.