Dhund Operative | Creature | Human Rogue | As long as you control an artifact, Dhund Operative gets +1/+0 and has deathtouch. | Magali Villeneuve
Thriving Rats | Creature | Rat | When Thriving Rats enters the battlefield, you get {E}{E} (two energy counters).
Whenever Thriving Rats attacks, you may pay {E}{E}. If you do, put a +1/+1 counter on it. | Tom Babbey