Astral Confrontation

Exile removal in white almost always comes with a string attached, and here the string is your own aggression: the spell shaves a generic mana off its cost for each opponent you're attacking. Held back, it's a five-mana instant that erases any creature for good, a rate clean enough to respect but too sluggish to run on its own merits. Point the whole board at three opponents and the reduction knocks off three generic, leaving just : two mana for unconditional exile at instant speed, folded into a combat step you were already committing to. That coupling is the entire design logic. It rewards the same table-wide pressure it asks for, so the spell reaches its floor at the exact moment a multiplayer beatdown deck most wants to strip a blocker or blank an opponent's combat trick. The removal itself is about as clean as white gets: exile, any creature, no toughness ceiling, no counter-clause or death trigger left in its wake, the sort of answer that would be priced far more punishingly if it didn't demand attackers first. What the cost reduction really does is flip the card's posture, converting a durdly reactive spell into a proactive one that only switches on for decks built to menace a whole pod. Cast it while defending and you overpay; cast it while you're the aggressor and it's a bargain. The design knows exactly which seat it was built for.