Multiversal High Council (Black Lotus Unknown Planechase) (OVER-) - Oversize Cards

Universes Beyond spells you cast cost "o1" less to cast.

Each creature gets +1/+1 for each different Universe among permanents its controller controls. (Magic: The Gathering and D&D each count as a universe.)

Whenever chaos ensues, for each Universe, return up to one target card from that Universe from your graveyard to your hand.