Archangel of Thune ($65.15 the premium payoff) puts a +1/+1 counter on your entire team each time you gain, which snowballs absurdly with a Soul Warden and a few tokens
Named after the eponymous card, which is actually an aura that gives this exact ability to a creature
By buying Pokemon 151 PTCG Live codes, you can possibly acquire the following cards: Venusaur ex, Charizard ex, Blastoise ex, Pikachu, Ninetales ex, Wigglytuff ex, VIleplume, Meowth, Alakazam ex, Golem ex, Gengar, Kangaskhan ex, Chansey, Starmie, Jynx ex, Gyarados, Ditto, Eevee, Zapdos ex, Dragonite, Mewtwo, Mew ex, Erikas Invitation, Giovannis Charisma, Illustration Rare Charmander, Illustration Rare Squirtle, Illustration Rare Bulbasaur, Full Art Charizard ex, Full Art Blastoise ex, Full Art Venusaur ex, and more
Who bought the card
(3) If this card is sent to the GY as material for the Synchro Summon of "Red Dragon Archfiend" or a monster that mentions it: You can target 1 Level 4 or lower Fiend monster in your GY