amazon ultra pro card sleeves Deck Protector for Standard Size Cards | Black Ultra PRO - Penny Sleeves®

While Michiko's Reign of Truth / Portrait of Michiko, Tempest Technique, and the Bant Tuvasa the Sunlit also do so with a bit more startup cost

In preparation for the Battle City Tournament, Yugi developed a new strategy using Magnet Warriors monsters that could combine to form one huge monster whose power could rival even Kaibas Blue-Eyes White Dragon

Free Eldrazi

You can only use this effect of "Dragonroid" once per turn

Vehicles are probably the most recent busted mechanic (besides Companion) where we can see an overpowered mechanic that was too powerful on release

And you wont just need to rely on Captain N'ghathrod