Silver Myr

Flying You can't lose the game and your opponents can't win the game.

Defender (This creature can't attack.)

Metalcraft — This creature gets +2/+2 as long as you control three or more artifacts.

Metalcraft — T: Tap target artifact, creature, or land. Activate only if you control three or more artifacts.

T: Add W.

When this creature dies, return another target artifact card from your graveyard to your hand.

When this creature enters, you may search your library for an artifact card with mana value 1 or less, reveal that card, put it into your hand, then shuffle.