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{T}: Add {C}. {4}, {T}: Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)
Abilities, attacks, weakness & resistance
Other cards from Magic Online Promos
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Karn's Bastion (PRM-72223) is a rare Land from the Magic Online Promos set. It taps for one colorless mana and has an activated ability that costs four mana and a tap to proliferate. Its repeatable proliferate effect supports growing +1/+1 counters, increasing planeswalker loyalty, and adding counters to other permanents and players.
Catalog pricing data as of 14 Apr 2026, 18:51
