Magnus, Virulent Enigma

+2: Choose a nonland card in exile with an Appeal counter on it and remove that counter. You gain life equal to that card's converted mana cost.
0: Target a creature you control and a creature you don't control. Those creatures Appeal.
-7: You get an emblem with "Creatures you control that share a color with a card that has an Appeal counter have deathtouch, lifelink, and flying."