Derived Answer, Yuuji -
[The Fruit of Grisaia ]

Rarity	Double Rare
Number	GRI/S72-E028 RR
Level	1
Power	4500
Color	Green
Cost	0
Soul	1
Trait	Grisaia / Weapon
Card Text	[AUTO] [(1) Put 1 card from your hand into your waiting room] When this card is placed on the stage from your hand, you may pay the cost. If you do, search your deck for up to 1 "Grisaia" character, reveal it to your opponent, put it into your hand, and shuffle your deck. [AUTO] When this card attacks, if you have another "Grisaia" character, this card gets +1500 power until end of turn.

Non Foil Prices

Near Mint - $0.21
Lightly Played - $0.19
Moderately Played - $0.17
Heavily Played - $0.15
Damaged - $0.10