Destined Future

Enchant Xenomorph creature you control
Enchanted creature's power and toughness are
now 0/0 then add X +1/+1 counters where X is
equal to creature's printed power.
When this creature attacks, you may pay {2} to
add a +1/+1 counter onto this creature.
{2}{b}: Sacrifice this creature and search your
library, graveyard, and exile for a Xenomorph creature card with X converted mana cost, where
X is how many +1/+1 counters were on this
creature.