Description: At the beginning of your upkeep, put a +1/+1 counter on Myr Prototype. Myr Prototype can't attack or block unless you pay for each +1/+1 counter on it. (This cost is paid as attackers or blockers are declared.)
Price: $0.10
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for each +1/+1 counter on it. (This cost is paid as attackers or blockers are declared.)
