Sword of Hours [Dungeons & Dragons: Adventures in the Forgotten Realms Commander]

Set: Dungeons & Dragons: Adventures in the Forgotten Realms Commander Type: Artifact — Equipment Rarity: Uncommon Cost: {2} Whenever equipped creature attacks, put a +1/+1 counter on it.Whenever equipped creature deals combat damage, roll a d12. If the result is greater than the damage dealt or the result is 12, double the number of +1/+1 counters on that creature.Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.)