Corrupt

(T: Add B.)

When this artifact enters, draw a card. 2: Add one mana of any color.

Prototype 1W — 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.

T: Add C. T: Add U or B. This land deals 1 damage to you.

T: Add C. T: Add B or G. This land deals 1 damage to you.

Mill five cards. You may put a permanent card from among the cards milled this way into your hand. (To mill a card, put the top card of your library into your graveyard.)

Choose two — • Create a 2/2 colorless Construct artifact creature token. • Put a +1/+1 counter on a creature you control. It gains double strike until end of turn. • Search your library for a basic Plains card, reveal it, put it into your hand, then shuffle. • You gain 2 life and scry 2.

When this creature enters, mill three cards. You may put a land card from among the cards milled this way into your hand. If you don't, put a +1/+1 counter on this creature. (To mill a card, put the top card of your library into your graveyard.)