pokemon tcg japanese booster box Terastal Festival ex (Japanese) Giovannis Charisma and a bonus new Tool card Japanese Pokemon: Triplet Beat Booster

They may be under someone else's control

Sanguine Bond Effects There are many iterations on Sanguine Bond that allow you to drain your opponents as you gain life, with two notable variations being Vito, Thorn of the Dusk Rose and Enduring Tenacity

Arcbond - A more useful card than I first realized and can under the right circumstances lead to an infinite combo resulting in infinite damage/lifegain

These Japanese promotional Pokmon or Pocket Monster cards have a double star which points to rarity too

You can win on turn two with it

Landcycling is also synergistic with some interesting legendary creatures that can helm a Commander deck