Leyline of Singularity

Haunt (When this creature dies, exile it haunting target creature.) When this creature enters or the creature it haunts dies, destroy target enchantment.

Flying Haunt (When this creature dies, exile it haunting target creature.) When this creature enters or the creature it haunts dies, create two 1/1 black Bat creature tokens with flying.

You gain 1 life for each player. Haunt (When this spell card is put into a graveyard after resolving, exile it haunting target creature.) When the creature this card haunts dies, you gain 1 life for each player.

X, T: Each creature with mana value X can't attack or block this turn.

T: Target creature gets +1/+1 until end of turn.

Exile each creature you control. Return those cards to the battlefield under their owner's control at the beginning of the next end step.

Flying Haunt (When this creature dies, exile it haunting target creature.) When this creature enters or the creature it haunts dies, each other creature has base power and toughness 1/1 until end of turn.

Flash Enchant creature Creatures you control that are enchanted get +1/+1.