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by triggering this effect on both player's turns, and using GY materials, the Deck can rapidly create Fusion boards with minimal on-field material costs

It also allows players to get Spells and Traps out onto the field quickly

Adding them to our total brings us to 83,736 total Magic cards

5 Scrap Welder Can Bring Back Artifacts Scrap Welder is a goblin creature that can sacrifice an artifact to bring back an artifact of lesser mana cost from the graveyard with haste

With 1900 ATK the Rockets a Level 4 powerhouse in Speed Duels, and it gets you a Blaze Accelerator card from your Deck or Graveyard

Not sure if Necromaster Dragon is a good fit