Zur the Enchanter

Flying
Whenever Zur attacks, you may search your library for an enchantment card with mana value 3 or less, put it onto the battlefield, then shuffle.

Arcane Laboratory

Each player can't cast more than one spell each turn.

Eidolon of Rhetoric

Mana Maze

Players can't cast spells that share a color with the spell most recently cast this turn.

Ashes of the Abhorrent

Players can't cast spells from graveyards or activate abilities of cards in graveyards.
Whenever a creature dies, you gain 1 life.

Deafening Silence

Each player can't cast more than one noncreature spell each turn.

Cornered Market

Players can't cast spells with the same name as a nontoken permanent.
Players can't play nonbasic lands with the same name as a nontoken permanent.