Planechase

As Arsenal Thresher enters the battlefield, you may reveal any number of other artifact cards from your hand. Arsenal Thresher enters the battlefie...

Affinity for artifacts (This spell costs {1} less to cast for each artifact you control.) Flying Broodstar's power and toughness are each equal to ...

Search your library for an artifact card, reveal it, and put it into your hand. Then shuffle your library.

Draw a card for each attacking creature.

Master of Etherium's power and toughness are each equal to the number of artifacts you control. Other artifact creatures you control get +1/+1.

Affinity for artifacts (This spell costs {1} less to cast for each artifact you control.) Flying

{2}: Sarcomite Myr gains flying until end of turn. {2}, Sacrifice Sarcomite Myr: Draw a card.

Whenever another artifact enters the battlefield under your control or another artifact you control leaves the battlefield, you may pay {1}. If you...

Draw three cards. Then discard two cards unless you discard an artifact card.

{T}: Add two mana of any one color. Spend this mana only to cast artifact spells or activate abilities of artifacts.

If an opponent had two or more creatures enter the battlefield under their control this turn, you may pay {U} rather than pay this spell's mana cos...