Marceline, Vampire Queen

Flying: This creature can’t be blocked except by creatures with flying or reach.

Lifelink: Damage dealt by this creature also causes you to gain that much life.

Soul Siphon: Whenever Marceline deals combat damage to
a player, you may draw a card and lose 1 life.

Shape Shifter: {2}{g}{b}: Marceline becomes a copy of target creature until end of turn, except it has flying and lifelink.