You need to have White Rose Dragon, Rose Girl, Red Rose Dragon, Roxrose Dragon and Black Garden in your hand, do this. Activate Black Garden, Normal Summon White Rose Dragon, and activate it's effect to Special Summon Roxrose Dragon from your hand, then activate Roxrose Dragon effect on summon to add Red Rose Dragon. Then Synchro using them both into Red Rose Dragon, but don't activate it's effect. Activate effect of White Rose Dragon, and chain with Rose Girl in hand to Special Summon her when yoru face-up Plant-Type monster is sent to the GY, and after you did that continue with White Rose Dragon's effect to send Mardel, Generaider Boss of Light to the GY. Then Link-2 into Crossrose Dragon, and activate her effect to tribute her and Special Summon Periallis, Empress of Blossoms into Defense Position. Then activate her effect to Special summon Mardel, Generaider Boss of Light. Activate Black Garden's effect to destroy 3 tokens on your opponents field to Special Summon Red Rose Dragon from GY. I hope I helped you with this deck and combo, until next deck, Goodbye!