Each token can enter attacking a different player, planeswalker, or battle, and they don't need to be the same one that Altar is attacking
She could see play as a counter to other Evasives in the meta, but something like Peter Pan's Shadow - Not Sewn On probably does that better
Thus he can easily be untapped on each turn if you upgrade the deck
If you are mostly in red, a Volcanic Island here and a Rakdos Signet there will set you up to take that third-pack Time Walk or Mind Twist with reasonable confidence that you can cast it
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