Abra

Level up {w/b}{w/b}: Put a level counter on this.
(Level up only as a sorcery.)
Level 1-3 — [1/3] Lifelink
Level 4+ — [2/5] Lifelink, Hexproof
Teleport
{w/b}{w/b}{w/b}: Return Abra to your hand. This can be
used from the battlefield or the graveyard