Snufflewomp

Flying, hexproof
Snufflewomp can't attack or block.
At the beginning of each player's untap step, that player gains 1 life. If a player gained life this way,
skip the combat phase.
You may cast Snufflewomp from exile.
Whenever you cast a spell, put a charge counter
on Snufflewomp.
Remove X charge counters from Snufflewomp and exile it: return an instant or sorcery with converted mana cost X from your graveyard to your hand.