mtg satoru umezawa commander deck Put one of them into your hand and the rest on the bottom of your library in any order. Custom Commander Deck ~ Shadow

Both paths through Tomb of Annihilation feature room effects which should cause a Sefris trigger from discarding or sacrificing creatures (including tokens), but if Sefris was already the reason we were venturing in the first place her once per turn stipulation means we cant take advantage

Another interesting commander that gains bonuses from casting spells is Veyran, Voice of Duality

It is like quadrupling your mana production compared to your opponents

There is exactly one Aura you want to recur with Storm Herald: Eldrazi Conscription

Foretell allows you to pay two mana upfront to exile a spell from your hand, then pay an additional (usually reduced) cost to cast it from exile later