Theo, Chaos Bard

Whenever Theo, Chaos Bard or a Saga enters the battlefield under your control, destroy target artifact or enchantment.

Historic spells you cast cost {1} less to play.

Whenever you put a lore counter onto a Saga that already has one or more lore counters on it, roll a D20.
1-4 | Destroy target artifact.
5-11 | Gain 1 life for each counter on that Saga.
12 - 16 | Scry 2. Draw a card.
17-20 | Theo deals 1 damage to each opponent.