When this Case enters the battlefield, distribute two +1/+1 counters among one or two target creatures you control.
To solve — Creatures you control have total power 8 or greater.
(If unsolved, solve at the beginning of your end step.)
Solved — Whenever you attack, put a +1/+1 counter on target attacking creature. It gains
trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.) until end of turn.