Prerequisites
- Goblin Welder on the battlefield
- Dross Scorpion on the battlefield
- Biotransference on the battlefield
- Goblin Welder does not have summoning sickness
- You control at least one other nontoken artifact creature
- You have at least one artifact creature card in your graveyard
Steps
- Activate Goblin Welder by tapping it, sacrificing any artifact creature you control and returning any other artifact creature from your graveyard to the battlefield
- The sacrificed creature dies, triggering Dross Scorpion, untapping Goblin Welder
- Repeat
Results
Required Cards 3
Goblin Welder
Creature — Goblin Artificer
Dross Scorpion
Artifact Creature — Scorpion
Biotransference
Enchantment