As a dark rain of Phyrexians fell from the sky, fountains of kavu erupted from the ground
They immediately warped Standard around them and have enjoyed a fair bit of powered format success, despite ostensibly being fair. While Grave Titan doesnt have the same synergistic components that some of the others have, its raw power is rivaled only by Primeval Titan
They also introduced a new group of cards to the restricted list
They include those that are too powerful and could ruin the game for other players
This makes it cost effective to print entire decks or cubes
Example: Leyline of the Void is an enchantment that reads, in part, If a card would be put into an opponents graveyard from anywhere, exile it instead." Wheel of Sun and Moon is an Aura with enchant player and the ability If a card would be put into enchanted players graveyard from anywhere, instead that card is revealed and put on the bottom of its owners library." If the controller of Chittering Host is affected by both cards effects, that player chooses one effect to apply to the event and Midnight Scavengers and Graf Rats are both moved to the appropriate zone
