『基本セット第4版』のカード

《ダメージ反転》

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Instant

All damage dealt to you so far this turn by one source is retroactively added to your life total instead of subtracted. Further damage this turn is treated normally.

[1E]:R [2E]:R [2U]:R [3E]:R [4E]:R [5E]:R [6E]:R [7E]:R [9ED]:R