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If you blink, cascade, discover, or exile cards from graveyards, you get to draw
Rogue's Passage is an unblockable enabler, Abzan Falconer and The Wind Crystal are your flying enablers, and one-sided sweepers like Mass Calcify and Wave of Reckoning open up the board for you
The ability to play on other turns really becomes incredible when you can ramp, draw cards, and grow a huge trampling threat at instant-speed
Opalescence is clearly an enchantment deck build-around, which let you turn Replenish into not only a source of lots of virtual card advantage, but also a massive battlefield position that could easily dominate and end the game
Food seems like it could be a way