Merritt, Jiggery-Pokery Master

Risky Experiment - Whenever a spell or ability you
control targets a spell or ability you don't control,
put an experiment counter on Merritt, Jiggery-
Pokery Master. Then you may pay {1}, if you do,
Merritt deals 3 damage to you and you copy the
targeted spell or ability. You may choose new
targets for the copy.
{t}, Remove three experiment counters from
Merritt, Jiggery-Pokery Master: Draw three cards.