Ars Magna of Purification and Corruption

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We have no price on record for this card, so it is counted separately everywhere rather than treated as free.

You can banish this card from your hand; add 1 "Ars Magna" Spell/Trap from your Deck to your hand, also until the end of the next turn, the first 3 times each of your "Power Patron" Link Monsters would be destroyed by battle each turn, it is not destroyed. If an Xyz and/or Link Monster(s) is Special Summoned while this card is banished (except during the Damage Step): You can Special Summon this card. You can target Spells/Traps on the field up to the number of "Power Patron" Link Monsters you control; banish them. You can only use each effect of "Ars Magna of Purification and Corruption" once per turn.