Whenever Goblin Psychopath attacks or blocks, flip a coin. If you lose the flip, the next time it would deal combat damage this turn, it deals that damage to you instead.
When Moldgraf Millipede enters, mill three cards, then put a +1/+1 counter on Moldgraf Millipede for each creature card in your graveyard. (To mill three cards, put the top three cards of your library into your graveyard.)
When Barrin, Tolarian Archmage enters, return up to one other target creature or planeswalker to its owner's hand.At the beginning of your end step, if a permanent was put into your hand from the battlefield this turn, draw a card.
Enchant creatureWhen Winter's Rest enters, tap enchanted creature.As long as you control another snow permanent, enchanted creature doesn't untap during its controller's untap step.
When Karfell Kennel-Master enters, up to two target creatures each get +1/+0 and gain indestructible until end of turn. (Damage and effects that say "destroy" don't destroy them.)
When Biblioplex Kraken enters, scry 3. (Look at the top three cards of your library, then put any number of them on the bottom and the rest on top in any order.)Whenever Biblioplex Kraken attacks, you may return another creature you control to its owner's hand. If you do, Biblioplex Kraken can't be blocked this turn.
Changeling (This card is every creature type.)When Littjara Kinseekers enters, if you control three or more creatures that share a creature type, put a +1/+1 counter on Littjara Kinseekers, then scry 1.
: Target snow land you control becomes a 4/4 Elemental creature with hexproof and haste until end of turn. It's still a land. (A creature with hexproof can't be the target of spells or abilities your opponents control.)
Whenever you discard a card, exile that card from your graveyard., : Draw a card, then discard a card., , Sacrifice Bag of Holding: Return all cards exiled with Bag of Holding to their owner's hand.