Lab Rats

Draw three cards, then discard a card.

As this artifact enters, choose a color and a creature type. 5, T: Create a 2/2 creature token of the chosen color and type.

First strike

T, Sacrifice a creature: Destroy target nonblack creature.

Destroy target tapped creature.

Defender When this creature enters, draw a card.

Reveal the top four cards of your library. Put all land cards revealed this way into your hand and the rest into your graveyard.

This creature enters with three +1/+1 counters on it. 2B, Remove a +1/+1 counter from this creature: Target player discards a card. Activate only as a sorcery.