Morophon is a seven mana colorless Shapeshifter that lets you choose a Creature type when it enters, and then makes all of your spells of that type cost WUBRG less to cast, this only reduces the colored mana you pay, and it even gives those Creatures a +1/+1 boost
It is possible (though very unlucky) to get no Legendary cards in a full sealed booster box, and there are no guaranteed Enchanted/Legendary slots in a full booster case
Black Lotus costing zero mana and tapping for three mana of any one color is such an absurd rate that it gets the number one spot regardless, hence it being banned in Legacy and Restricted in Vintage
I say someone's deck where they get things like memorial and a ton of lands into play before ever playing Noyan Dar and then dropping him and playing like 15 cantrips, kind of storming off, and basically assassinate a couple players right off the bat
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