Hop Ear Squadron (MAMS-EN075) - Magnificent Maestros 1st Edition

During your opponent's Main Phase (Quick Effect): You can target 1 face-up monster you control; Special Summon this card from your hand, and if you do, immediately after this effect resolves, Synchro Summon 1 Synchro Monster using only this card you control and that target. You can only use this effect of "Hop Ear Squadron" once per turn.