Starting with you, each player separates all permanents they control into three piles. Then each player chooses one of their piles at random and sacrifices those permanents. (Piles can be empty.)
FlyingWhen Reveillark leaves the battlefield, return up to two target creature cards with power 2 or less from your graveyard to the battlefield.Evoke (You may cast this spell for its evoke cost. If you do, it's sacrificed when it enters.)
Evolve (Whenever a creature you control enters, if that creature has greater power or toughness than this creature, put a +1/+1 counter on this creature.)Whenever a +1/+1 counter is put on Fathom Mage, you may draw a card.
Morph (You may cast this card face down as a 2/2 creature for . Turn it face up any time for its morph cost.)When Bane of the Living is turned face up, all creatures get -X/-X until end of turn.
Fear (This creature can't be blocked except by artifact creatures and/or black creatures.)Whenever Guiltfeeder attacks and isn't blocked, defending player loses 1 life for each card in their graveyard.
When Trinket Mage enters, you may search your library for an artifact card with mana value 1 or less, reveal that card, put it into your hand, then shuffle.
Hideaway 4 (When this land enters, look at the top four cards of your library, exile one face down, then put the rest on the bottom in a random order.)Mosswort Bridge enters tapped.: Add ., : You may play the exiled card without paying its mana cost if creatures you control have total power 10 or greater.
Search your library for up to two basic land cards, reveal those cards, put one onto the battlefield tapped and the other into your hand, then shuffle.
FlyingWhenever Thrummingbird deals combat damage to a player, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)