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Autonomous Assembler | Artifact Creature | Assembly-Worker | Prototype {1}{W} — 2/2 (You may cast this spell with different mana cost, color, and size. It keeps its abilities and types.)
Vigilance
{1}, {T}: Put a +1/+1 counter on target Assembly-Worker you control. | Slawomir Maniak
4.5 LSV
Perennial Behemoth | Artifact Creature | Beast | You may play lands from your graveyard.
Unearth {G}{G} ({G}{G}: Return this card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the next end step or if it would leave the battlefield. Unearth only as a sorcery.) | Wayne Reynolds
2.5 LSV
The Mightstone and Weakstone | Legendary Artifact | Powerstone | When The Mightstone and Weakstone enters the battlefield, choose one —
• Draw two cards.
• Target creature gets -5/-5 until end of turn.
{T}: Add {C}{C}. This mana can't be spent to cast nonartifact spells.
(Melds with Urza, Lord Protector.) | Ryan Pancoast
3.5 LSV
