Deeplands, Reguregnus DZ-BT12/FFR14 FFR

[ACT](VC)1/Turn:COST [Energy Blast (2)] choose a card from your drop, and call it to (RC). [AUTO](VC):At the end of the battle this unit attacked, COST [Counter Blast (1) & retire two rear-guards], choose up to one grade 3 card with "Reguregnus" in its different card name from this unit from your drop, ride it as [Stand], and it gets drive -2 until end of turn. When you would ride a card by this effect, the riding unit is placed with all of the [Power] increases and [Critical] increases from trigger effects this unit got this turn.