Cheyenne, Grand Advisor

: As long as it's your turn, creatures you control have undying, and Cheyenne is a 3/3 pheonix elf advisor with haste and indestructible.
+1: Exile up to 3 cards from a graveyard. For each land exiled this way, add 2 mana of any one color and deal 2 damage for each nonland card exiled
-7: You get an emblem with: "Activated and triggered abilities are tripled". Deal 3 damage to any nonplayer target