mtg cards like doubling season Cardscanner - Free 3D Print Model Card scanner : r/freemagic

With access to blue, this lets you keep up the threat of counterspells, removal, or something nasty with Flash, and if you dont end up needing to use any of that, you get to play this at the end of an opponents turn and untap further ahead in cards and/or mana

Legendary Artifact Creature Mutant2/4 When The Master enters, target player gets two rad counters

Scalding Viper Scalding Viper does a good Eidolon of the Great Revel impression, although it deals only 1 damage per spell cast

Ornithopter of Paradise As an artifact creature with little toughness, Ornithopter of Paradise is quite fragile, but giving any deck that chance to play a mana dork that fixes all their colors shouldnt be overlooked