Determined Cheerfulness, Sarka (D-LBT01/SP43EN) [Lyrical Melody] G-BT12/S03EN you may transform into Blasmophet

you may transform into Blasmophet

if there is a card named "Flowers in Vacuum

Rarity: Generation Rare Set Name: Rondeau of Chaos and Salvation Card Number: G-CB06/001EN Release Date: 2017-12-01 Unit: G Grade: 4 Skill Icon: Triple Drive Nation: Star Gate Race: Messiah Clan: Link Joker Power: 15000 Shield: 0 Critical: 1 [Stride]-Stride Step-[Choose one or more cards with the sum of their grades being 3 or greater from your hand

and if you put a card with "Duo" in its card name into your hand

Determined Cheerfulness, Sarka (D-LBT01/SP43EN) [Lyrical Melody] G-BT12/S03EN you may transform into BlasmophetRarity: Special Parallel Set Name: Lyrical Melody Card Number: D LBT01 SP43EN Release Date: 2021 10 22 Unit: Normal Grade: 1 Skill Icon: Boost Nation: Lyrical Monasterio Race: Dragoroid Power: 6000 Shield: 0 Critical: 1 [CONT]: Sentinel [AUTO]: When this unit is put on (GC), choose one of your units, and it cannot be hit until end of that battle. If your hand has two or more cards, choose a card from your hand, and discard it.