Conjure is a mechanic that previously appeared only on digital-only cards on MTG Arena and was designed specifically for digital play
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A mechanic mostly unused until The Warhammer 40k Commander precons and The Brothers' War dug it up, unearth has proved a popular solution to the problem of graveyard recursion
I may be quoting Anthony Kiedis and the Red Hot Chili Peppers, but Id only play Primordial Ooze in decks that allow me to give it away to other players (oh, Zedruu!)
Its type-shifted moves are both attacks: the low-cost, low-impact Wing Attack, and the high-risk, high-reward Mighty Meteor
The Historic Orzhov Auras deck is aiming to protect and stack multiple card draw engines, at which point you just sorta take arbitrary game actions and bury your opponent in cardboard