mtg flip cards commander Custom Coin EDH Deck Zndrsplt, Eye of Wisdom Okaun, Eye of Chaos Okaun, Eye of Chaos &

Its a popular mechanic, and occasionally shows up in commander products, so you should be familiar with it

Bloodghast Caustic Crawler Dreadwurm Geyserfield Stalker Guul Draz Overseer Hagra Crocodile Iridescent Vinelasher Ob Nixilis, the Fallen Quest for the Necropolis Retreat to Hagra Scrib Nibblers Skyclave Shade Soul Stair Expedition Surrakar Marauder TL;DR (playtest) Tomb Hex

By contrast, all but one Godzilla Series card had their Universes Within versions included in the same booster boxes as the crossovers, leaving no room for haters to complain about lack of choice

Death Cloud is harder to leverage than most, though raw mana ramp to ensure you have more lands than your opponents can do the trick