Urza\'s Beatdown

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Kicker (You may pay an additional as you cast this spell.) This spell can't be countered. Urza's Rage deals 3 damage to any target. If this spell was kicked, instead it deals 10 damage to that permanent or player and the damage can't be prevented.

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Until end of turn, any time you could activate a mana ability, you may pay 1 life. If you do, add .

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If a source would deal damage to a permanent or player, it deals double that damage to that permanent or player instead.