The Skullspore Nexus (MR) – The Lost Caverns of Ixalan – Wizards of the Coast from Wizards of the Coast

Description

The Skullspore Nexus
Legendary Artifact
This spell costs X less to cast, where X is the greatest power among creatures you control.

Whenever one or more nontoken creatures you control die, create a green Fungus Dinosaur creature token with base power and toughness each equal to the total power of those creatures.

2, T: Double target creature’s power until end of turn.