Gambling Alchemist

Arrival- roll a d20.

(1) Put a -1/-1 counter on Gambling Alchemist.
(2-10) Put a copy counter on Gambling Alchemist. Whenever you cast an instant or sorcery spell, you may remove a copy counter from Gambling Alchemist to copy that spell.
(11-19) Put two copy counters on Gambling Alchemist.
(20) put two copy counters on Gambling Alchemist, then roll again.