Stride
[ACT](VC)[1/Turn]:[Counter Blast (1) & Put three cards from the top of your deck into your drop zone] If you have a heart card with "Cocytus" in its card name, choose up to one card from your drop zone, call it to (RC). Then, if you call a unit with "Cocytus" in its card name with this effect, choose a grade 1 or less card from your drop zone, call it (RC), and that unit gets [Power]+4000 until end of turn.