Akroma, Angel of Wrath Avatar

Whenever a creature enters the battlefield under your control, it gains two abilities chosen at random from flying, first strike, trample, haste, protection from black, protection from red, and vigilance.

Malfegor Avatar

Whenever a creature enters the battlefield under your control, if it was unearthed, it gets +3/+0.
Whenever a creature you control is exiled, if it was unearthed, shuffle that card into its owner’s library.

Higure, the Still Wind Avatar

Whenever a nontoken creature you control deals combat damage to an opponent, choose a creature card at random from your library, reveal that card, and put it into your hand. Then shuffle your library.

Raksha Golden Cub Avatar

Creatures you control get +0/+1.
Equipped creatures you control get +1/+0 and have first strike.

Momir Vig, Simic Visionary Avatar

, Discard a card: Create a token that’s a copy of a creature card with converted mana cost X chosen at random. Activate this ability only any time you could cast a sorcery and only once each turn.

Chronatog Avatar

You have no maximum hand size.
: Draw three cards. You skip your next turn. Activate this ability only once each turn.

Murderous Redcap Avatar

Whenever a creature enters the battlefield under your control with a counter on it, you may have it deal damage equal to its power to any target.

Erhnam Djinn Avatar

Whenever you cast a creature spell, create a 1/1 green Saproling creature token.

Necropotence Avatar

Skip your draw step.
At the beginning of your end step, if it’s not the first turn of the game, put a death counter on Necropotence Avatar. You draw X cards and you lose X life, where X is the number of death counters on Necropotence Avatar.

Two-Headed Giant of Foriys Avatar

Creatures you control have menace. (They can’t be blocked except by two or more creatures.)
Each creature you control can block an additional creature each combat.

Heartwood Storyteller Avatar

The first creature spell you cast each turn costs less to cast.
The first noncreature spell each opponent casts each turn costs more to cast.

Ink-Eyes, Servant of Oni Avatar

At the beginning of the game, look at target opponent’s hand and choose a nonland card from it. That player discards that card.
, Pay X life: Put target creature card with converted mana cost X from an opponent’s graveyard onto the battlefield under your control.

Karona, False God Avatar

At the beginning of your upkeep, exchange control of a permanent you control chosen at random and a permanent target opponent controls chosen at random.

Rith, the Awakener Avatar

Whenever a creature you control deals combat damage to a player, you may pay . If you do, create a 5/5 red Dragon creature token with flying.

Frenetic Efreet Avatar

Each permanent you control has phasing. (It phases in or out before you untap during each of your untap steps. While it’s phased out, it’s treated as though it doesn’t exist.)
At the beginning of your end step, flip a coin. If you win the flip, take an extra turn after this one.

Platinum Angel Avatar

If you control an artifact, a creature, an enchantment, and a land, you can’t lose the game and your opponents can’t win the game.

Haakon, Stromgald Scourge Avatar

Pay 1 life: You may cast target creature card in your graveyard this turn.
Whenever you cast a creature spell from your graveyard, it becomes a black Zombie Knight.
If a Zombie Knight would be put into your graveyard from the battlefield, exile it instead.

Viridian Zealot Avatar

, Sacrifice a creature: Destroy target artifact or enchantment. Search your library for a card with the same name as the sacrificed creature, reveal that card, and put it into your hand. Then shuffle your library.

Peacekeeper Avatar

: For each opponent who controls a creature, create a token that’s a copy of a card named Arrest and attach it to a creature that player controls chosen at random.

Nekrataal Avatar

Creature spells you cast cost less to cast. This effect reduces only the amount of colored mana you pay.