Goblin Welder Creature +Blightsteel Colossus

Blightsteel Colossus
Artifact Creature - Golem
Trample, infect, indestructible.
If Blightsteel Colossus would be put into a graveyard from anywhere, reveal Blightsteel Colossus and shuffle it into its owner's library instead.


Goblin Welder
Creature - Goblin Artificer
%T: Choose target artifact a player controls and target artifact card in that player's graveyard. If both targets are still legal as this ability resolves, that player simultaneously sacrifices the artifact and returns the artifact card to the battlefield.
1/1

si je met colossse au cimetiere et en reponse au trigger j'activer welder , colosse reste en jeu ?

il ne s'agit pas d'une capacité déclenchée mais d'un effet de remplacement

le colosse ne passe donc pas par le cimetière et ne pourra donc pas être ciblé par le welder