For example, imagine my opponent attacks me with [c]Artisan of Kozilek[/c], which has annihilator 2
However, they played well with the "making monsters" theme and, while they carry some logistical weight, were very low on complexity, and the set was looking for flavorful, low-complexity mechanics to accompany mutate, which was eating up a lot of the complexity points
Its good to have a card like Leyline of the Void in Constructed to keep graveyard decks from being dominant, but thats largely because the card pool is slow to change
1 - Pikachu-Holo Illustrator Nice to see our familiar yellow friend taking the top spot
There is no coming back from that exiling
The effect is definitely useful, but its not something Im going to go out of my way to pick up for a deck