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At the beginning of your upkeep, sacrifice this enchantment unless you pay {W}{W}. All Mountains are Plains.
Abilities, attacks, weakness & resistance
Other cards from 30th Anniversary Edition
Conversion (30A-16) is an enchantment reprint in the 30th Anniversary Edition set. It makes all Mountains become Plains while requiring you to pay {W}{W} at the beginning of your upkeep or sacrifice it. The card can change basic land types and thus affect mana production and interactions with land-type-dependent effects.
Catalog pricing data as of 21 Apr 2026, 00:24
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