偽の信心

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Whenever an opponent taps a Mountain for mana, you may gain 1 life.

Alchemy

Brawl

Explorer

Future

Gladiator

Historic

Oldschool

Pauper

Paupercommander

Pioneer

Standard

Standardbrawl

Timeless

Commander

Duel

Legacy

Modern

Oathbreaker

Penny

Predh

Premodern

Vintage

2004-10-04

Gaining life is optional. If you forget, you can’t go back later even if it is something you usually do.