Here are just a few that will generate an infinite number of mana or combo triggers: Grinning Ignus and Impact Tremors Kroll, the Forgemaster and Skirk Prospector Kroll, the Forgemaster and Wild Cantor Kroll, the Forgemaster and Burning-Tree Emissary This list goes on and it's not nearly over
It benefits from being played early and picking up subsequent exalted bonuses from other creatures, but games of Commander just arent about aggressive 1-drops
Cadaverous Bloom
They don't generally do anything different to the standard version of the card - a promotional Pikachu and a regular Pikachu have the same effect in battle - but they have a different appearance, artwork, and depending on who you talk to, a certain amount of prestige
negate the attack, and if you do, each player takes damage equal to the combined ATK of both those Fusion Monsters.
The deck centers around summoning monsters by discarding them and is responsible for Machina Fortress, one of the most powerful boss monsters introduced to the game