Infinite creature LTBInfinite creature sacrifice triggersInfinite death triggers
How it works
Activate Shilgengar's first ability by sacrificing another creature.
When the creature dies, Pitiless Plunderer triggers, creating a Treasure token.
Resolve the Shilgengar ability, creating a Blood token.
Activate the Treasure by tapping and sacrificing it, adding .
Activate Sydri's first ability by paying , causing the Blood token to become an artifact creature until end of turn. The Blood token will not die due to the permanent stated in the pre-requisites causing its toughness to be 1 or greater.