Performing Petal, Diantha

[AUTO]:When this unit is placed on (RC) from hand, if your vanguard is grade 3 or greater, [COST][Counter-Blast 1], choose a grade 3 or less card from your drop, and call it to (RC). [CONT](RC):During your turn, if you have two or more grade 1 or less rear-guards in your back row, this unit gets [Power] +5000.