sealed booster box mtg Collector Acrylic Case Card database may be found here Magic the Gathering - Theros

Setzer, Wandering Gambler Setzer, Wandering Gambler has hoops to jump through to flip coins on its own, but the real reason this card makes the list is the last sentence

The Aetherspark is incredible in Cloud's hands

You just sit there and lose as they grow their board

Take your time building your deck

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Emry, Lurker of the Loch Emry, Lurker of the Loch is an efficient bit of self-mill with recursive potential, but this card requires a high concentration of artifacts, making it one of the narrower options on the list