Undying Aberration

Limbo (You may exile this card face down from
your hand for {2} & draw a card. You may only
return this card from exile when you lose life
& pay {1}. Reveal it and return it to your hand)
Target Aberration gains undying until end of
turn. (When it dies, if it had no +1/+1 counters
on it, return it to the battlefield under its owners
control with a +1/+1 counter on it)
Canvas- Put 2 +1/+1 counters on it instead.