It quickly became evident that you can build Atraxa, Praetors Voice around any type of counter, including poison and planeswalker loyalty counters, making her one of the more powerful legendary creatures in the game
Whenever chaos ensues, Slivers you control gain haste and get +X/+X until end of turn, where X is the number of Slivers you control
Slimefoot is basically piece of a combo: find a way to produce infinite mana to make infinite saprolings and a sacrifice outlet so Slimefoot can ping all your opponents
Fiery and straight to the point, if you want to play fast and forceful, ruby should be where you start looking
Blue has a variety of creatures that care about instants and sorceries and are quite large relative to their mana coststhink Tolarian Terror, Haughty Djinn, and Delver of Secrets/Insectile Aberration
This doesnt include the printing errors, crimping, off-center cards, or packing errors that happen when printing millions of cards