Elusa, Blood Ritualist

: creatures you control enchanted with a mask have "sacrifice this creature". whenever a player sacrifices a creture put a mask on target creature
+2: deals 2 damage to target creature, if a creture you control died this turn deals 5 damage to any target and draw a card instead
-7: you get an emblem with:"whenever a nontoken creature you control is sacrificed create a token that's a copy of it enchanted with a mask"