What Dreams May Come

Creatures you control gain haste, first strike, deathtouch, trample, pierce, and rampage 2.
Cumulative upkeep—Pay 1 life (At the beginning
of your upkeep, put an age counter on this permanent,
then sacrifice it unless you pay its upkeep cost for each
age counter on it.)
Sometimes, the sacrifice is worth the gain. Others, not
so much...