Prevent all combat damage that would be dealt this turn. You may look at each face-down creature that's attacking or blocking.

Put a +1/+1 counter on target creature. It gains indestructible until end of turn.

, Exile the top card of your library: You gain 1 life.

Target creature gets +2/+1 and gains trample until end of turn.

, , Discard a card: Regenerate target creature.

Menace

At the beginning of your end step, if you have the initiative, create a Treasure token. Create three of those tokens instead if you've completed a dungeon.

Choose a Background (You can have a Background as a second commander.)

Whenever Samite Herbalist becomes tapped, you gain 1 life and scry 1. (Look at the top card of your library. You may put that card on the bottom.)

Whenever you cast a creature spell with power 4, 5, or 6, Sarkhan's Unsealing deals 4 damage to any target.

Whenever you cast a creature spell with power 7 or greater, Sarkhan's Unsealing deals 4 damage to each opponent and each creature and planeswalker they control.

Whenever Seascape Aerialist or another Ally you control enters, you may have Ally creatures you control gain flying until end of turn.

If your life total is less than your starting life total, this spell costs less to cast, where X is the difference.

Flying

: Transform Skyclave Aerialist. Activate only as a sorcery. ( can be paid with either or 2 life.)

Suspend 3— (Rather than cast this card from your hand, 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.)

: Add .

As Species Specialist enters, choose a creature type.

Whenever a creature of the chosen type dies, you may draw a card.

Metalcraft — Spiraling Duelist has double strike as long as you control three or more artifacts.

Until end of turn, whenever target creature deals damage, you gain that much life.

Draw a card.

Fear (This creature can't be blocked except by artifact creatures and/or black creatures.)

When Squealing Devil enters, you may pay . If you do, target creature gets +X/+0 until end of turn.

When Squealing Devil enters, sacrifice it unless was spent to cast it.

Target creature gets +3/+1 until end of turn. If it's your turn, that creature gains trample until end of turn. Otherwise, it gains first strike until end of turn.

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

Target creature you control gets +2/+2 until end of turn. If this spell was kicked, put a +1/+1 counter on each creature you control.

As an additional cost to cast this spell, reveal a Giant card from your hand or pay .

Whenever Surtland Elementalist attacks, you may cast an instant or sorcery spell from your hand without paying its mana cost.

First strike

Whenever Syr Alin, the Lion's Claw attacks, other creatures you control get +1/+1 until end of turn.

Flying

As Talion, the Kindly Lord enters, 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.

: Add .

: Add or . Talisman of Conviction deals 1 damage to you.

: Add .

: Add or . Talisman of Curiosity deals 1 damage to you.

: Add .

: Add or . Talisman of Hierarchy deals 1 damage to you.

: Add .

: Add or . Talisman of Indulgence deals 1 damage to you.

: Add .

: Add or . Talisman of Resilience deals 1 damage to you.

Whenever one or more noncreature permanents are returned to hand, draw a card. This ability triggers only once each turn.

, Return a land you control to its owner's hand: Return target artifact or enchantment card with mana value X or less from your graveyard to the battlefield. Activate only as a sorcery.

Tempting offer — Return a creature card from your graveyard to the battlefield. Each opponent may return a creature card from their graveyard to the battlefield. For each opponent who does, return a creature card from your graveyard to the battlefield.

First strike

Noncreature spells cost more to cast.

Lifelink

Whenever you cast a spell from your graveyard, create a 1/1 white Spirit creature token with flying.

Sacrifice a Spirit: Thalia's Geistcaller gains indestructible until end of turn.

When Thalia's Lieutenant enters, put a +1/+1 counter on each other Human you control.

Whenever another Human you control enters, put a +1/+1 counter on Thalia's Lieutenant.

You may look at the top card of your library any time.

As long as The Reality Chip is attached to a creature, you may play lands and cast spells from the top of your library.

Reconfigure (: Attach to target creature you control; or unattach from a creature. Reconfigure only as a sorcery. While attached, this isn't a creature.)

When Torsten, Founder of Benalia enters, reveal the top seven cards of your library. Put any number of creature and/or land cards from among them into your hand and the rest on the bottom of your library in a random order.

When Torsten dies, create seven 1/1 white Soldier creature tokens.

Choose one —

• Counter target spell.

• Manifest dread. (Look at the top two cards of your library. Put one onto the battlefield face down as a 2/2 creature and the other into your graveyard. Turn it face up any time for its mana cost if it's a creature card.)

Choose five. You may choose the same mode more than once.

• Target permanent phases out.

• Target player draws a card.

• Exile target player's graveyard.

• Unite the Coalition deals 2 damage to any target.

• Destroy target artifact or enchantment.

This spell costs less to cast for each creature type among creatures you control. This effect can't reduce the amount of mana this spell costs by more than .

Changeling (This card is every creature type.)

Double strike

Target creature you control gets +2/+0 until end of turn. When that creature leaves the battlefield this turn, you get a boon with "When you cast your next creature spell, it perpetually gets +2/+0."

Draw a card.

Other Knights you control get +1/+1.

: Knights you control gain double strike until end of turn.

Other Soldiers you control get +1/+1.

, Exile Valiant Veteran from your graveyard: Put a +1/+1 counter on each Soldier you control.

Choose one or both —

• Destroy target artifact.

• Destroy target land.

, Sacrifice Vessel of Malignity: Target opponent exiles two cards from their hand. Activate only as a sorcery.

Magecraft — Whenever you cast or copy an instant or sorcery spell, Veyran, Voice of Duality gets +1/+1 until end of turn.

If you casting or copying an instant or sorcery spell causes a triggered ability of a permanent you control to trigger, that ability triggers an additional time.

Choose one —

• Create a 1/1 green Insect creature token.

• Target creature gets +1/+1 and gains trample until end of turn.

• Regenerate target Beast.

Untap all creatures you control.

Creatures you control get +7/+7 until end of turn.

Flash

Other Merfolk you control get +1/+1.

Sacrifice a Merfolk: Counter target noncreature spell unless its controller pays .

, : Target creature phases out. (While it's phased out, it's treated as though it doesn't exist. It phases in before its controller untaps during their next untap step.)

, : Counter target spell unless its controller pays .

Kicker and/or

Vodalian Mindsinger enters with two +1/+1 counters on it for each time it was kicked.

When Vodalian Mindsinger enters, gain control of target creature with power less than Vodalian Mindsinger's power for as long as you control Vodalian Mindsinger.

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

Vodalian Serpent can't attack unless defending player controls an Island.

If Vodalian Serpent was kicked, it enters with four +1/+1 counters on it.