Conjurer's Sphere

At the beginning of your upkeep, put a charge
counter on Conjurer's Sphere.
{t}, Sacrifice Conjurer's Sphere: Put a non-
human creature card with a mana value equal
to or less than the number of charge counters
on Conjurer's Sphere onto the battlefield.
{4}{t} Remove three counters counters Conjurer's
Sphere: Put a +1/+1. First Strike, Flying,
Deathtouch, Menace, or Trample on target
non-human creature you control.
"Trainable, really!?"