: Target attacking Zombie gains indestructible until end of turn. (Damage and effects that say "destroy" don't destroy it. If its toughness is 0 or less, it's still put into its owner's graveyard.)
Look at the top three 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 any order.
When Aether Herder enters the battlefield, you get (two energy counters).
Whenever Aether Herder attacks, you may pay . If you do, create a 1/1 colorless Servo artifact creature token.
[+1]: Put a +1/+1 counter on each of up to two target creatures.
[−2]: Return target creature card with converted mana cost 2 or less from your graveyard to the battlefield.
[−7]: You get an emblem with "At the beginning of your end step, create three 1/1 white Cat creature tokens with lifelink."
Creatures you control have vigilance.
[+1]: You gain 3 life.
[−2]: Put a +1/+1 counter on each creature you control and a loyalty counter on each other planeswalker you control.
Landfall — Whenever a land enters the battlefield under your control, you may pay . If you do, create a 3/1 red Elemental creature token with trample and haste. Exile that token at the beginning of the next end step.
Flying, vigilance, deathtouch, lifelink
At the beginning of your end step, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)
Madness (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)
Avacyn's Judgment deals 2 damage divided as you choose among any number of targets. If this spell's madness cost was paid, it deals X damage divided as you choose among those permanents and/or players instead.
Menace (This creature can't be blocked except by two or more creatures.)
When Bone Pit Brute enters the battlefield, target creature gets +4/+0 until end of turn.