umbra cards mtg Aura Support Piece Spikes 265% Despite Anti-Synergy untap all lands you control 1x Spider Umbra Rise of

Not sure Cosmogoyf has the support it needs in Standard, but maybe

What's in a Kaldheim Theme Booster

The copy effect it creates lasts as long as the first target remains on the battlefield.

Here are all the banned cards from Historic: Agent of Treachery Blood Moon Brainstorm Channel Commandeer Counterspell Dark Ritual Demonic Tutor Force of Vigor Field of the Dead Intruder Alarm Land Tax Lightning Bolt Mana Drain Memory Lapse Natural Order Necropotence Nexus of Fate Oko, Thief of Crowns Once Upon a Time Ragavan, Nimble Pilferer Reanimate Show and Tell Sneak Attack Spreading Seas Swords to Plowshares Thassa's Oracle Tibalt's Trickery Time Warp Uro, Titan of Nature's Wrath Veil of Summer Wilderness Reclamation The Historic card pool is also used for a version of Brawl

Gyrus, Waker of Corpses generates token copies of creatures, providing offensive value