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When this artifact enters or is put into a graveyard from the battlefield, draw a card.

This land enters tapped. Indestructible : Add or .

When this artifact enters, exile target card from a graveyard. , Sacrifice this artifact: Exile each opponent's graveyard. , , Sacrifice this artifact: Draw a card.

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As an additional cost to cast this spell, sacrifice an artifact or creature. Draw two cards and create a Treasure token. (It's an artifact with ", Sacrifice this token: Add one mana of any color.")

Whenever this creature or another artifact you control enters, each opponent loses 1 life and you gain 1 life.

At the beginning of combat on your turn, you may pay and sacrifice an artifact. If you do, create a 3/1 red Construct artifact creature token with haste.

Sacrifice an artifact: This creature gets +2/+2 until end of turn.

Equipped creature gets +1/+2. Equip Whenever a 1/1 creature you control enters, you may return this card from your graveyard to the battlefield, then attach it to that creature.

As an additional cost to cast this spell, you may sacrifice an artifact. Voltage Surge deals 2 damage to target creature or planeswalker. If this spell's additional cost was paid, Voltage Surge deals 4 damage instead.

, , Sacrifice this artifact: Add one mana of any color. When this artifact is put into a graveyard from the battlefield, draw a card.

, Sacrifice this artifact: Look at the top card of target player's library. Draw a card at the beginning of the next turn's upkeep.

Whenever one or more artifacts you control leave the battlefield during your turn, create a 1/1 colorless Construct artifact creature token. This ability triggers only once each turn. , Sacrifice an artifact: This artifact deals 1 damage to each opponent. You gain 1 life.

Improvise (Your artifacts can help cast this spell. Each artifact you tap after you're done activating mana abilities pays for .) Whenever a nontoken artifact you control is put into a graveyard from the battlefield, create a 1/1 colorless Servo artifact creature token.

Living weapon (When this Equipment enters, create a 0/0 black Phyrexian Germ creature token, then attach this to it.) Equipped creature gets +X/+1, where X is the number of artifacts you control. Equip

Search your library for a card, put that card into your hand, then shuffle.

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Fabricate 1 (When this creature enters, put a +1/+1 counter on it or create a 1/1 colorless Servo artifact creature token.) Whenever another creature or artifact you control is put into a graveyard from the battlefield, each opponent loses 1 life.

Galvanic Blast deals 2 damage to any target. Metalcraft — Galvanic Blast deals 4 damage instead if you control three or more artifacts.

Target opponent reveals their hand. You choose a noncreature, nonland card from it. That player discards that card.