Bridge from Below [Future Sight]

Description

Set:	Future Sight
Type:	Enchantment
Rarity:	Rare
Cost:	{B}{B}{B}

Whenever a nontoken creature is put into your graveyard from the battlefield, if Bridge from Below is in your graveyard, create a 2/2 black Zombie creature token.
When a creature is put into an opponent's graveyard from the battlefield, if Bridge from Below is in your graveyard, exile Bridge from Below.