+Mongrel (5)
Discard a card: Hell Mongrel gets +1/+1 until end of turn.
Madness <i>(If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)</i>
At the beginning of each opponent's upkeep, if that player has two or fewer cards in hand, Hellfire Mongrel deals 2 damage to that player.
When Mongrel Pack dies during combat, create four 1/1 green Dog creature tokens.
As long as you control an artifact, Scrapyard Mongrel gets +2/+0 and has trample. <i>(It can deal excess combat damage to the player or planeswalker it's attacking.)</i>
Discard a card: Wild Mongrel gets +1/+1 and becomes the color of your choice until end of turn.
Gatherer works better in the Companion app!