mtg.wtf

As The Mimeoplasm enters, you may exile two creature cards from graveyards. If you do, it enters as a copy of one of those cards with a number of additional +1/+1 counters on it equal to the power of the other card.

Split second
Counter target activated or triggered ability. If a permanent's ability is countered this way, activated abilities of that permanent can't be activated this turn.

Each player discards their hand, then draws cards equal to the greatest number of cards a player discarded this way.

Demonstrate
Mill five cards, then return a creature card from your graveyard to the battlefield.

{X}, Sacrifice this enchantment: Destroy each artifact, creature, and enchantment with mana value X or less.

Destroy all creatures with power greater than target creature's power.

Draw two cards, then discard two cards.
Flashback {2}{R}

Flying, haste
Whenever this creature attacks or becomes the target of a spell, create a Treasure token.
Treasures you control have "{T}, Sacrifice this artifact: Add two mana of any one color."

Exile target creature. Its controller manifests the top card of their library.

{1}{G}, {T}: You may put a creature card from your hand onto the battlefield.

Mill five cards, then return a creature card milled this way to your hand.

Look at the top three cards of your library, then put them back in any order. You may shuffle.
Draw a card.

When Acererak enters, if you haven't completed Tomb of Annihilation, return Acererak to its owner's hand and venture into the dungeon.
Whenever Acererak attacks, for each opponent, you create a 2/2 black Zombie creature token unless that player sacrifices a creature of their choice.

At the beginning of your upkeep, choose target opponent. Until end of turn, that player can't cast spells, you may look at the top card of their library any time, you may play the top card of their library, and you may spend mana as though it were mana of any color to cast spells this way.

Search target opponent's library for a creature card and put that card onto the battlefield under your control. Then that player shuffles.

Counter target activated or triggered ability.

Counter target spell. If the spell is countered this way, exile it with three time counters on it instead of putting it into its owner's graveyard. If it doesn't have suspend, it gains suspend.

Destroy all creatures. For each nontoken creature destroyed this way, you create a tapped Treasure token.

Choose one —
• Counter target spell with mana value less than or equal to the number of cards in its controller's graveyard.
• Destroy target creature with mana value less than or equal to the number of cards in its controller's graveyard.

Whenever you attack a player, tap target creature that player controls and goad it.
Whenever an opponent attacks another one of your opponents, you and the attacking player each draw a card and lose 1 life.

If you control a Swamp, you may pay 4 life rather than pay this spell's mana cost.
Destroy target nonblack creature. It can't be regenerated.

Target creature gets -1/-1 until end of turn for each Swamp you control.

When this enchantment enters, target creature phases out until this enchantment leaves the battlefield. Tap that creature as it phases in this way.

As an additional cost to cast this spell, sacrifice a creature.
Fling deals damage equal to the sacrificed creature's power to any target.

As an additional cost to cast this spell, pay X life.
Fire Covenant deals X damage divided as you choose among any number of target creatures.