Prisma Grakata

Equipped creature gets +4/+0 and gains haste
and first strike.
Whenever equipped creature destroys another creature by combat damage, put a prisma counter
on Prisma Grakata. Then, when equipped
creature dies, remove all prisma counters from
Prisma Grakata and draw that many cards.
Equip {3} (Attach this permanent to target creature
you control. Activate this ability only as a sorcery.)