Hop Ear Squadron (MP20-EN164) [2020 Tin of Lost Memories]

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.