Skyknight Squire (Foundations) - undefined

Whenever another creature you control enters, put a +1/+1 counter on this creature. As long as this creature has three or more +1/+1 counters on it, it has flying and is a Knight in addition to its other types.

NM - $12.42
LP - $9.93
MP - $7.45
HP - $4.97
DMG - $2.48