Vraska the Unseen

+1: Until your next turn, whenever a creature an opponent controls attacks, it gets -1/-0 until end of turn. −2: Reveal the top three cards of your library. An opponent separates those cards into two piles. Put one pile into your hand and the other on the bottom of your library in any order. −8: For each player, search that player's library for a nonland card and exile it, then that player shuffles. You may cast those cards without paying their mana costs.

1, T: Put a +1/+1 counter on this creature.

Flying This creature gets +4/+4 as long as an opponent has ten or more cards in their graveyard.

When this creature becomes the target of a spell or ability, sacrifice it.

Kicker 3 (You may pay an additional 3 as you cast this spell.) If this creature was kicked, it enters with two +1/+1 counters on it. This creature can't be blocked.

Whenever this creature deals combat damage to a player, that player mills that many cards.

When this creature enters, return a permanent you control to its owner's hand.

Flying Krovikan Mist's power and toughness are each equal to the number of Illusions on the battlefield.