cards as active before the Leader card gains 1000 Power until the end of the opponents next turn
So is recursion
Utvara Hellkite and Scourge of Valkas (or Dragon Tempest), Klauth, Unrivaled Ancient and a Firebreathing Dragon of some kind

Honda, Sumo Champion Dhalsim, Pliable Pacifist Chun-Li, Countless Kicks Zangief, the Red Cyclone Blanka, Ferocious Friend Guile, Sonic Soldier Ryu, World Warrior Ken, Burning Brawler Hunger of the Ancient One Godless Shrine Temple Garden Steam Vents Blood Crypt Wrath Of God Drown in the Loch Fire Covenant Artifact Mutation Fracturing Gust All Is Dust Fractured Identity Lightning Greaves Squirrel Mob Collected Company Avenger of Zendikar Teferi, Hero of Dominaria Cultivate Path of Ancestry Sol Ring Mistbind Clique Vendilion Clique Glen Elendra Archmage Spellstutter Sprite Kroxa, Titan of Deaths Hunger Uro, Titan of Natures Wrath Frost Titan Grave Titan Primeval Titan Inferno Titan Boros Charm Monastery Swiftspear Gisela, Blade of Goldnight Goblin Rabblemaster Goblin Heliod, Sun-Crowned Forest Mountain Plains Swamp Island Kaya, Ghost Assassin Acidic Slime Voidslime The Mimeoplasm Scavenging Ooze Necrotic Ooze Dovescape Birds of Paradise Swan Song Gilded Goose Baleful Strix Lightning Bolt Lightning Bolt Lightning Bolt Lightning Bolt Domri Rade Ajani Steadfast Tamiyo, Field Researcher Vraska, Golgari Queen Arcbound Ravager Darksteel Colossus Walking Ballista Pithing Needle Inkmoth Nexus Eternal Witness Blood Artist Spell Pierce Forest Plains Island Swamp Mountain Captain Sisay Oona, Queen of the Fae Saskia the Unyielding Narset, Enlightened Master 12 Magic the Gathering is TM and copyright Wizards of the Coast, Inc, a subsidiary of Hasbro, Inc

Giratina was the most dominant competitive card during the final years of the Sword and Shield Standard format, piloting what many players consider the strongest deck in the generation's history