1 Tuner + 1+ non-Tuner monsters
If this card is Special Summoned: You can target 2 "White Forest" monsters in your GY; place them face-up in their owners' Spell & Trap Zones as Continuous Spells. During your opponent's Main Phase, you can (Quick Effect): Immediately after this effect resolves, Synchro Summon using this card you control. You can only use each effect of "Poplar of the White Forest" once per turn.