Oreel, Enraged Mutitude

Oreel costs {x} less to cast where X is the amount of life you lost this turn. Oreel enters the battlefield with X +1/+1 counters on it.

Flash, Haste
Oreel can block an additional number of creatures each combat equal to the number of counters on it.
Whenever Oreel blocks or becomes blocked by a creature, you may pay {u}{u} and remove a counter from Oreel to return that creature to its owner's hand and create a token copy of it. Sacrifice it at the beginning of your next end step.