Zelgriem, Spider of Death

: You may cast creature spells with converted mana cost 2 or less from your graveyard. You may cast these spells as though they had flash.
+1: Create a 1/1 black and red Spider creature token with deathtouch and "When this creature dies, each player sacrifices a creature."
-X: Return target creature card with converted mana cost X from target opponent's graveyard to the battlefield under your control.