Aetherborn Elf

Flying, Vigilance, Trample
{2}{b/g}{b}: You may remove a +1/+1 counter from Aetherborn Elf and it gains Lifelink until end of turn.
{2}{b/g}{g}: Aetherborn Elf gets +X/+X until end of turn, where X is its power and it gains Hexproof until end of turn.
Undying