Abstruse Archaic Adric, Mathematical Genius Brokers Confluence Defabricate Deny the Witch Disallow Echo, Perceptive Prodigy Emerald Dragon Emerald Dragon Ertai Resurrected Gogo, Master of Mimicry Green Slime Idris, Soul of the TARDIS Koh, the Face Stealer Lithoform Engine Louisoix's Sacrifice Nimble Obstructionist Overcharged Amalgam Peter Parker's Camera Phenomena Recorder Repudiate // Replicate Repudiate // Replicate Return the Favor Scientist Supreme of A.I.M
Designer Notes: Cast spells, deal damage, draw cards, repeat
Demonic Pact (Mythic) Normally, I would be seeing this as a bulk rare, but the reality is that there are plenty of tools in the current Standard to make this work
Dont miss out
You dont have white to blink it, but you can lean aristocrats and toss in Feign Death, Supernatural Stamina, and similar effects to repeat that ETB
White has several permanents with abilities that can counter spells, but the rattlesnake element is lost when your opponent can see those permanents on the battlefield and play around them accordingly