Extort (Whenever you cast a spell, you may pay . If you do, each opponent loses 1 life and you gain that much life.)
Whenever this creature attacks, you may return target artifact, creature, or enchantment card from your graveyard to your hand.

Goblin offering (You may cast this spell any time you could cast an instant by sacrificing a Goblin and paying the difference in mana costs between this and the sacrificed Goblin. Mana cost includes color.)
Whenever Patron of the Akki attacks, creatures you control get +2/+0 until end of turn.

Deathtouch
Whenever this creature enters or attacks, create two 2/2 black Zombie creature tokens.

Flying
When this creature dies, destroy target noncreature permanent.

Affinity for artifacts (This spell costs less to cast for each artifact you control.)
Flying

As an additional cost to cast this spell, exile two creature cards from your graveyard.
Trample

Flying
Whenever Crosis deals combat damage to a player, you may pay . If you do, choose a color, then that player reveals their hand and discards all cards of that color.

When this creature enters, you may have it fight target creature you don't control. (Each deals damage equal to its power to the other.)

Haste
Cascade (When you cast this spell, exile cards from the top of your library until you exile a nonland card that costs less. You may cast it without paying its mana cost. Put the exiled cards on the bottom in a random order.)

Lifelink
: Exchange your life total with Evra's power.

Lifelink (Damage dealt by this creature also causes you to gain that much life.)
Morph (You may cast this card face down as a 2/2 creature for . Turn it face up any time for its morph cost.)

Return all Zombie creature cards from your graveyard to the battlefield tapped, then destroy all Humans.

Spells your opponents cast cost more to cast.
At the beginning of your end step, each opponent loses 1 life.

When this creature enters, you may return target red sorcery card from your graveyard to your hand.
When this creature enters, you may return target blue instant card from your graveyard to your hand.

Vigilance (Attacking doesn't cause this creature to tap.)
Lifelink (Damage dealt by this creature also causes you to gain that much life.)
At the beginning of your upkeep, if you have 40 or more life, you win the game.

Trample
Hexproof (This creature can't be the target of spells or abilities your opponents control.)

Landfall — Whenever a land you control enters, create a 5/5 red and green Elemental creature token.
Whenever Omnath or another Elemental you control dies, Omnath deals 3 damage to any target.

Target player draws cards equal to half the number of cards in their library and loses half their life. Round up each time.

Each player sacrifices all permanents they control that are one or more colors.

Flying
Whenever a creature you control deals combat damage to a player, create that many Treasure tokens.

Target player loses 4 life and you gain 4 life.
Basic landcycling (, Discard this card: Search your library for a basic land card, reveal it, put it into your hand, then shuffle.)

Choose a creature type. Destroy all creatures that aren't of the chosen type.

Flying
When this creature enters, creatures your opponents control get -2/-2 until end of turn.
Unearth (: Return this card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the next end step or if it would leave the battlefield. Unearth only as a sorcery.)

Creatures you control have flying, first strike, vigilance, trample, haste, and protection from black and from red.

Create a 4/4 green Beast creature token.
Storm (When you cast this spell, copy it for each spell cast before it this turn.)

Vigilance
: Untap target attacking creature. Prevent all combat damage that would be dealt to and dealt by that creature this turn.
Suspend 4—

Destroy three target permanents.

Hexproof (This creature can't be the target of spells or abilities your opponents control.)
Whenever this creature attacks, scry 1. (Look at the top card of your library. You may put that card on the bottom.)

Flying, haste
When Karrthus enters, gain control of all Dragons, then untap all Dragons.
Other Dragon creatures you control have haste.

Vigilance
This creature can block an additional creature each combat for each Equipment attached to this creature.

Flying
When this creature enters, you may exile up to three other target creatures from the battlefield and/or creature cards from graveyards.
When this creature leaves the battlefield, return the exiled cards to their owners' hands.

Trample
Whenever this creature or another creature you control enters, this creature fights up to one target creature you don't control.

Hexproof (This creature can't be the target of spells or abilities your opponents control.)
Cycling (, Discard this card: Draw a card.)

Flying
Whenever this creature deals combat damage to a player, it deals that much damage to each creature that player controls.

Swampwalk (This creature can't be blocked as long as defending player controls a Swamp.)
At the beginning of your upkeep, return target creature card from your graveyard to the battlefield.
At the beginning of each opponent's upkeep, that player sacrifices a creature of their choice.

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.)
Destroy all nontoken creatures.