These cards are commonly referred to as "Alpha" among playtesters
Of course, if you drafted it (which you definitely should do) instead of just opening packs, the bots do pass Rares, and you'll earn some reward packs
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It works well because I run several cost reducers like Ugin, the Ineffable, so I can put them into play with Flood of Tears ability and replay most of my board immediately
Youre not really forcing allies into a party deck, though you could use it as a clunky way to draw into extra allies in their own dedicated space
As with other MTG mana ramp articles, these cards are loosely ranked from worst to best