Jadar, Ghoulcaller of Nephalia [Innistrad: Double Feature] SWSH090 Does 40 damage plus 10

Does 40 damage plus 10 more damage for each Water Energy attached to Blastoise but not used to pay for this attack's Energy cost

"A great leader must have the wisdom to know what's right and the courage to make it so

each opponent loses 5 life

Flashback—{1}{U}

Jadar, Ghoulcaller of Nephalia [Innistrad: Double Feature] SWSH090 Does 40 damage plus 10Set: Innistrad: Double Feature Type: Legendary Creature Human Wizard Rarity: Rare Cost: {1}{B} At the beginning of your end step, if you control no creatures with decayed, create a 2 2 black Zombie creature token with decayed. (It can't block. When it attacks, sacrifice it at end of combat.) "Rise, my pretty thing. Why rot in the river when you can serve at my bidding?"