Savage Ventmaw [Commander 2017] Insect Worm you get {E}{E}{E}{E} (four energy

you get {E}{E}{E}{E} (four energy counters)

Set: Core Set 2019 Type: Instant Rarity: Common Cost: {4}{U} Put target nonland permanent on top of its owner's library

"The Demonlord has ruled every age

Set: Fifth Dawn Type: Artifact — Equipment Rarity: Common Cost: {2} Equipped creature gets +0/+2 and has "{T}: Prevent the next 1 damage that would be dealt to any target this turn

Set: Rise of the Eldrazi Type: Enchantment — Aura Rarity: Uncommon Cost: {2}{R} Enchant creature

Savage Ventmaw [Commander 2017] Insect Worm you get {E}{E}{E}{E} (four energySet: Commander 2017 Type: Creature Dragon Rarity: Uncommon Cost: {4}{R}{G} Flying Whenever Savage Ventmaw attacks, add {R}{R}{R}{G}{G}{G}. Until end of turn, you don't lose this mana as steps and phases end.