Zenkai Series Dawn of The Z-Legends BT18-124 Demon God Demigra, Begrudging Ally

*Dragon Ball Super*
Demon God Demigra, Begrudging Ally

Skill - [Unique]
[Permanent] This card gets +2000 power for each card in your Z-Energy.
[Auto][Once per turn] If it's your turn : When you activate [Over Realm] or [Dark Over Realm] or play a black Battle Card from your Warp, draw 1 card, and choose up to 1 of your opponent's Battle Cards with an energy cost of 6 or less and send it to its owner's Warp.

From The Zenkai Series Dawn of The Z-Legends Set