rarest pokemon card tag team - Reshiram & Charizard GX - 20/214 - Ultra Rare Top 90 Most Expensive Pokemon

This is a great beefy creature with guaranteed value

If you can use some elusive cheap creatures like Slither Blade, then you can activate two loyalty abilities of Kaito, Dancing Shadow

That's one of the jankier combos, and some infinites involve just Helm and one other card

Final Fantasy: Game Over Day of Judgment / Spira's Punishment Praetor's Grasp / Unseat the Usurper Star of Extinction / Meteorfall Temporal Extortion / Absorb into Time Toxic Deluge / Merciless Poisoning Final Fantasy: Grimoire Cyclonic Rift / Hope's Aero Magic Damn / Noctis's Death Magic Heroic Intervention / Aerith's Curaga Magic Lightning Bolt / Vivi's Thunder Magic Prismatic Ending / Yuna's Holy Magic Final Fantasy: Weapons Blade of Selves / Clive's Invictus Blade Colossus Hammer / Gaia's Dark Hammer Staff of the Storyteller / Yuna's Sending Staff Sword of Truth and Justice / Tidus's Brotherhood Sword Umezawa's Jitte / Cloud's Buster Sword The individual bundles were listed at $29.99 for the non-foils and $39.99 for the rainbow foil versions in what I call an expensive sidequest