Clever Concealment will allow you to phase out as many nonland permanents as you like, provided they can be targeted by the spell
Being able to finish off the game with what is essentially direct poison damage after the Infect creatures are dealt by opposing removal and sweepers with is a new and potentially powerful line of attack for the archetype, and this doesnt even include the fringe combo potential
Deep Trouble can be played solo or cooperatively, with players working together to defeat Ursula, who is controlled by an automated system guided by a set of rules
Unfortunately, this is another one that is a retro frame only
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If youre good at stocking your graveyard, you might want the newer, cheaper option instead