When this creature enters, choose one —
• Tax — Until your next turn, spells your opponents cast cost more to cast.
• Arrest — Detain target creature an opponent controls. (Until your next turn, that creature can't attack or block and its activated abilities can't be activated.)

Escalate (Pay this cost for each mode chosen beyond the first.)
Choose one or both —
• Target creature gets +3/+0 until end of turn.
• Target creature gains first strike until end of turn.

Flash
When Ambrosia Whiteheart enters, you may return another permanent you control to its owner's hand.
Landfall — Whenever a land you control enters, Ambrosia Whiteheart gets +1/+0 until end of turn.

Pyroclasm deals 2 damage to each creature.

Reach, vigilance
Whenever Finneas attacks, put a +1/+1 counter on each other creature you control that's a token or a Rabbit. Then if creatures you control have total power 10 or greater, draw a card.

Landfall — Whenever a land you control enters, choose one —
• Put a +1/+1 counter on target creature.
• You gain 2 life.

Target creature gets +3/+3 until end of turn.

Precision Bolt deals 3 damage to any target.

When this creature enters, if was spent to cast it, it deals 2 damage to any target.

(: Add .)

Flying
: This creature deals 1 damage to each creature and each player.

+1: Look at the top four cards of your library. You may reveal a creature or land card from among them and put it into your hand. Put the rest on the bottom of your library in a random order.
−3: Destroy target artifact, enchantment, or creature with flying.
−8: You get an emblem with "Creatures you control get +2/+2 and have vigilance, trample, and indestructible."

Trample
Whenever Neheb deals combat damage to a player or planeswalker, you may discard any number of cards. If you do, draw that many cards and add that much . Until end of turn, you don't lose this mana as steps and phases end.

Destroy target artifact or enchantment, then populate. (Create a token that's a copy of a creature token you control.)

First strike
: This creature gets +1/+1 until end of turn.

Whenever Borborygmos and Fblthp enters or attacks, draw a card, then you may discard any number of land cards. When you discard one or more cards this way, Borborygmos and Fblthp deals twice that much damage to target creature.
: Put Borborygmos and Fblthp into its owner's library third from the top.

All Slivers have "Sacrifice this permanent: You gain 3 life."

Menace (This creature can't be blocked except by two or more creatures.)
, Sacrifice another creature or an artifact: This creature deals 2 damage to target creature or planeswalker.

Exile target creature with power 4 or greater.

When this creature enters, target creature you control gets +2/+2 until end of turn.