Wurmcoil Engine

, : Create a 1/1 colorless Snake artifact creature token. It has "Whenever this creature deals damage to a player, that player gets a poison counter." (A player with ten or more poison counters loses the game.)

, : Create a 1/1 colorless Insect artifact creature token with flying named Wasp. (It can't be blocked except by creatures with flying or reach.)

As this artifact enters, choose a color and a creature type.

, : Create a 2/2 creature token of the chosen color and type.

Indestructible (Effects that say "destroy" don't destroy this artifact.)

Myr creatures get +1/+1.

: Create a 1/1 colorless Myr artifact creature token.

When this creature enters, if you control two or more nonland, nontoken permanents with the same name as one another, create a 4/4 colorless Construct artifact creature token.

Whenever this creature attacks, create a colorless Construct artifact creature token named Twin that's attacking. Its power is equal to this creature's power and its toughness is equal to this creature's toughness. Sacrifice the token at end of combat.