mewtwo pokemon card holographic (Holographic) [P] Life Sucker (20) Heal 20 damage from this Pokemon Pokemon Trading Card Game Crown

Berserk follows green's basic principle of creating large creatures that then attack your foes

All Black decks have access to Bojuka Bog and any deck can add Scavenger Grounds, and there are tons of efficient artifacts that hate graveyards like Soul-Guide Lantern

Scott Wool, 60, has been in the collectibles business for decades, selling Pokmon cards, toys, comics, and sports memorabilia

Just for the sake of being complete here, the Tropical Island card (also found in that video above) rounds out most top 10 lists but is not considered part of the Power 9

mana cost (at least compared to other creatures of the time)