WotC has even rested the concept, releasing recent major sets with no serialized cards to let the market breathe.
If you ever grow tired of your Tree-Hugging Vampires, you can always resign from the event, rejoin, or maybe give those "rainbow" lands a whirl
Its second ability is niche, especially in a meta of Solitudes and Fatal Pushes, but if the opponent has no damageless removal then this thing becomes extremely problematic, even if they have blockers
If a creature somehow gets prowess multiple times, each instance of the keyword will trigger separately
Core mechanics include token generation, two mana acceleration, and utilizing the power of Eldrazi creatures to control the game
Waterbenders Restoration Yes please to this great mass blink effect