The Last Heros

Place a 1/1 Knight creature token with "When
this creature attacks and is blocked it gets +3/+3
for each creature blocking it." Then place a 2/2
Warrior creature token with "Whenever this
creature blocks it gets +2/+2 for each attacking
creature." Then place a 3/3 Wizard creature token
with "Whenever this creature attacks or blocks it
gets +1/+1 until end of turn."