Necrotic Becoming

At the beginning of your upkeep choose one that
hasn't been chosen.
-Put a creature card from a graveyard with
converted mana cost X or less onto the battlefield
under your control.
-Put X +1/+1 or -1/-1 counters among any
number of creatures.
-Create X 1/1 green fungus creature tokens with
"{t}{w/b}, Sacrifice this creature, target creature
gains deathtouch until end of turn."