If youre mostly running weaker creatures, there are likely burn spells that can do more damage for less mana
Not sure Cosmogoyf has the support it needs in Standard, but maybe
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
Best MTG Creatures Of note, there are some important caveats to mention
