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.

{X}, Return a creature you control with mana value X to its owner's hand: Draw a number of cards chosen at random between 0 and X. X can't be 0.

At the beginning of your upkeep, you may put a +1/+1 counter on target creature you control.

At the beginning of your upkeep, you may put a charge counter on target permanent you control.

{2}: Ashling the Pilgrim Avatar deals 1 damage to each creature and each player.

{5}: Destroy all nonland permanents. Activate only once and only during your turn.

Whenever a creature deals damage to you, destroy it.

Sacrifice a permanent: Return target creature to its owner's hand.

Lands you control have "{T}: Add one mana of any color."

{X}, Sacrifice an artifact with mana value X: Bosh, Iron Golem Avatar deals X damage to any target.

{2}: Each player may put a land card from their hand onto the battlefield tapped.

{3}: Each player may put a noncreature artifact card from their hand onto the battlefield.

{4}: Each player may put a creature card from their hand onto the battlefield. Activate only as a sorcery.

You have no maximum hand size.

{0}: Draw three cards. You skip your next turn. Activate only once each turn.

Whenever a creature you control deals damage to a creature or player, you gain 1 life.

You may play any colored card from your hand as a copy of a basic land card chosen at random that can produce mana of one of the card's colors.

Creatures you control have exalted. (Whenever a creature you control attacks alone, it gets +1/+1 until end of turn for each instance of exalted among permanents you control.)

{S}: Target creature you control gets +1/+1 until end of turn.

{1}: Until end of turn, target permanent you control gains protection from a color chosen at random from colors it doesn't have protection from.

{0}: The next 1 damage that would be dealt to target creature you control is dealt to you instead.

At the beginning of each player's precombat main phase, that player adds {G}{G}.

You begin the game with a 1/1 green Elf creature token on the battlefield. It has "{T}: Add {G}."

Whenever you cast a colored artifact spell for the first time each turn, search your library for a colored artifact card chosen at random whose mana value is less than that spell's mana value. You may play that card without paying its mana cost. If you don't, put that card on the bottom of your library.

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

Creatures you control have hexproof. (They can't be the targets of spells or abilities your opponents control.)

You may pay {W}{U}{B}{R}{G} rather than pay the mana cost for spells that you cast.

Whenever a creature you control dies, target opponent loses 1 life and you gain 1 life.

{X}: Put a +1/+1 counter on target creature with fewer than X +1/+1 counters on it.

Whenever a nontoken creature enters the battlefield under your control, that creature deals X damage to target creature, where X is a number chosen at random from 0 to 4.

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.

At the beginning of your draw step, draw an additional card.

{3}: Return target creature card from your graveyard to your hand.

Attacking creatures you control get +1/+0.

Whenever a creature you control deals damage to a creature, destroy the other creature. It can't be regenerated.

Whenever a nontoken creature you control dies, target opponent discards a card.

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.

Spells you cast cost {1} less to cast.

The first creature spell you cast each turn costs {1} less to cast.

The first noncreature spell each opponent casts each turn costs {1} more to cast.

{3}, Sacrifice a creature: Return target creature card from your graveyard to the battlefield.

At the beginning of your upkeep, put a land card from your library chosen at random onto the battlefield.

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

At the beginning of the game, look at target opponent's hand and choose a nonland card from it. That player discards that card.

{X}, Pay X life: Put target creature card with mana value X from an opponent's graveyard onto the battlefield under your control.

{X}: Jaya Ballard Avatar deals an amount of damage chosen at random from 0 to X to any target. Activate only once each turn.

{3}, Discard a card: Copy three instant cards chosen at random. You may cast one of the copies without paying its mana cost.

{3}, Discard a card: Copy three sorcery cards chosen at random. You may cast one of the copies without paying its mana cost. Activate only as a sorcery.

Each noncreature artifact you control is an artifact creature with power and toughness each equal to its mana value.

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.

Whenever a creature you control is devoured, create an X/X green Ooze creature token, where X is the devoured creature's power.

Sacrifice a permanent: Regenerate target creature you control.

Creatures you control have shadow. (They can block and be blocked only by creatures with shadow.)

Hellbent -- As long as you have no cards in hand, if a source you control would deal damage to a permanent or player, it deals double that damage to that permanent or player instead.

Hellbent -- At the beginning of your end step, if you have no cards in hand, each of your opponents discards a card.

At end of combat, for each creature you controlled at the time it dealt combat damage to a player this turn, copy a random card with the same mana cost as that creature. You may pay {3}. If you do, choose one of those copies. If a copy of a permanent card is chosen, you may create a token that's a copy of that card. If a copy of an instant or sorcery card is chosen, you may cast the copy without paying its mana cost.

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.

At the beginning of the game, you may pay any amount of life.

You can't draw cards.

At the beginning of your draw step, look at the top X cards of your library, where X is the amount of life paid with Maralen of the Mornsong Avatar. Put one of them into your hand, then shuffle.

Creatures you control get +1/+0.

Tap an untapped creature you control, Discard a card: Target creature you control gets +X/+X until end of turn, where X is the number of cards in your hand.

{2}{G}: Create a green creature token that's a 2/2 Wolf, a 2/3 Antelope with forestwalk, a 3/2 Cat with shroud, or a 4/4 Rhino with trample, chosen at random.

At the beginning of your upkeep, reveal the top card of your library. If it's a creature card with power 5 or greater, put it into your hand. Otherwise, you may put it on the bottom of your library.

If a basic land you control is tapped for mana, it produces mana of a color of your choice instead of any other type.

Creatures you control have "{T}: Another target creature gets -1/-1 until end of turn. Put a +1/+1 counter on this creature."

{X}: Choose a creature type. Until end of turn, creatures you control of the chosen type have base power and toughness X/X and gain all creature types.

If a creature you control would deal damage, it deals double that damage instead.

{X}, Discard a card: Create a token that's a copy of a creature card with mana value X chosen at random. Activate only as a sorcery and only once each turn.

At the beginning of your upkeep, you lose 1 life for each permanent you control.

Creatures you control get +X/+0, where X is the number of cards in your hand.

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.

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.

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

Creatures you control have haste.

At the beginning of your upkeep, return a creature you control to its owner's hand.

{0}: Untap target attacking creature you control and remove it from combat.

At the beginning of your precombat main phase, add {C} for each land target opponent controls.

Creatures you control have reach.

{3}: 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.

Pay 1 life: Until end of turn, whenever a creature deals combat damage to you, destroy that creature.

Pay 1 life: Until end of turn, whenever target creature you control deals combat damage to a creature, destroy the damaged creature.

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.

At the beginning of your upkeep, look at the top card of your library. You may put that card into your graveyard.

Creatures you control get +0/+1.

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

Each creature you control gets +1/+1 for each of its colors.

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

Whenever a creature you control dies, draw a card.

At the beginning of your upkeep, you draw a card and you lose 1 life.

At the beginning of your upkeep, Rumbling Slum Avatar deals 1 damage to each opponent.

{2}: Choose a creature you control. It becomes a copy of target creature except for its name.

Creatures you control have vigilance.

Creatures you control get +0/+2.

Whenever you cast a spell, you gain 2 life.

At the beginning of the game, choose a creature type. Creatures you control, creature spells you control, and creature cards you own in any zone other than the battlefield or the stack have the chosen type in addition to their other types.

{3}: Target creature gets +3/+3 until end of turn.

Whenever you tap a land for mana, add one mana of any type that land produced.

Each creature you control must be blocked if able.

{4}: Exile target creature that's blocking a creature you control.

Whenever you cast a non-Sliver creature spell, exile that spell. If you do, create a token that's a copy of a random non-Shapeshifter Sliver creature card with the same mana value as that spell.

{3}: Create a 1/1 colorless Sliver creature token.

Your opponents play with their hands revealed.

{1}: Prevent the next 1 damage that would be dealt to target creature you control this turn.

Whenever you cast a creature spell, you may pay {1}. If you do, draw a card.

At the beginning of your draw step, you may draw an additional card. If you do, put a card from your hand on the bottom of your library.

Whenever a creature enters the battlefield under your control, create a token that's a copy of a random Equipment card with mana value less than that creature's mana value. Attach that Equipment to that creature.

{0}: If damage would be dealt to you this turn by a source of your choice, prevent that damage. Stuffy Doll Avatar deals damage to you and target opponent or planeswalker equal to half the damage prevented this way, rounded up. Activate only once each turn.

Creatures you control have haste.

Sacrifice a creature: Takara deals 1 damage to any target.

You may cast artifact, creature, and enchantment spells as though they had flash.

Whenever a nontoken creature dies, create a 1/1 white Spirit creature token with flying.

You may play an additional land on each of your turns.

{3}: Each player returns a permanent they control to its owner's hand unless they pay 2 life.

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.

{3}: Urza deals 1 damage to any target.

Play with the top card of your library revealed.

As long as the top card of your library is black, black creatures you control get +2/+1.

{2}, 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, put it into your hand, then shuffle.

Whenever a creature you control is put into your graveyard from the battlefield, you may put it on top of your library.

Sacrifice a permanent: Regenerate target creature.