Others want to wait for an emergency situation or the ideal time to disrupt the opponent
That might not sound like much, but the core strategy of any "Voltron" deck is getting a commander's total damage up to 21
Mark of the Supernatural: By virtue of their D-Gazers, everyone gains two eye colors, though in the case of the bad guys, it's usually due to magical powers emulating D-Gazers
Deathrite Shaman does a lot for little, especially when running multiple copies that can act at the same time, so its easy to see how it can break the game
UR Ultra Rare UL Ultimate Rare Fog King X WATER Level 7 [ SpellcasterEffect ] ATK 0 DEF 0 You can Tribute 1 monster, or no monsters, to Normal Summon (but not Set) this card
My favorite story about this card is that it was one of the ways in Future Sight to play Force of Savagery until Force was improved by being given trample