Snom, Inspiring Sorcerer

Whenever you cast or copy an instant or sorcery spell, put a spell counter on Snom.

Whenever you cast an instant or sorcery spell, you may remove X spell counters from Snom, where X is that spell's converted mana cost. If you do, copy that spell. You may choose new targets for that copy.
{5}: Roll a d12. Target creature gets +X power until end of turn, where X is the result on the die. Activate only as a sorcery.