Like I said, this might be a good deck for League
A generator like Bitterblossom or Ophiomancer that refills every turn is the perfect engine for it
If you can manage to get Mufasa, King of the Pride Lands and Simba, Returned King out early enough, you can take such an early lead that your opponent won't be able to catch up
Alibou, Ancient Witness Alibou, Ancient Witness Anger Arlinn, Embraced by the Moon Barbarian Class Blur Sliver Cyclops of Eternal Fury Dragonlord Kolaghan Emblem of the Warmind Fervor Fires of Yavimaya Firion, Wild Rose Warrior Garna, the Bloodflame Gimli's Reckless Might Goblin Warchief Hammer of Purphoros Hellraiser Goblin Invigorating Hot Spring Karrthus, Tyrant of Jund Keldon Strike Team Kragma Warcaller Madrush Cyclops Maelstrom Wanderer Maze Rusher Oni of Wild Places Avatar Purphoros, Bronze-Blooded Rising of the Day Samut, Tyrant Smasher Samut, Voice of Dissent Smellerbee, Rebel Fighter Tahngarth Tannuk, Steadfast Second Temur Ascendancy The Fire Crystal Thopter Engineer Tuktuk Rubblefort Urabrask the Hidden Yarus, Roar of the Old Gods
Mythical and Legendary Pokemon like Mewtwo boast plenty of valuable cards