Lifelink is not cumulative.

When initially introduced Lifelink was a triggered ability. If a permanent had multiple instances of lifelink, then each of these separate abilities would trigger independently ultimately causing the controller of of these abilities to gain more life than the damage dealt. However when the Magic 2010 base set was released how Lifelink works was changed. […]

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Nested Ghoul’s ability triggers once per source of damage.

Some abilities in Magic care about specific amount of damage and others care about the sources of damage regardless of the amount. Abilities that prevent damage and redirect damage are obvious examples. For example, compare and . Shiledmate’s Blessing prevents a specific amount of damage and Auriok Replica’s ability prevents all damage from a specific […]

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