Zalran, Overloaded Mind

{u}{r}: Untap target instructed creature, it gains haste until end of turn.
Instruct ({t}: Tap any number of untapped creatures you control. They become instructed until end of turn.)
Whenever Zalran Instructs a creature until end
of turn, each instructed creature gets, "When this creature dies draw a card" and prowess
until end of turn.