Kroxa and Kunoros [March of the Machine] Phyrexian Saproling Whenever one or more Dragons

Whenever one or more Dragons you control attack

or whatever extensive research you've done and can show that they're from that plane

Each planeswalker with one or more loyalty counters on it loses all abilities and is a creature with power and toughness each equal to the number of loyalty counters on it

It affects the number of experience points earned and reduces the number of dud words when hacking terminals

Kroxa and Kunoros [March of the Machine] Phyrexian Saproling Whenever one or more DragonsSet: March of the Machine Type: Legendary Creature Elder Giant Dog Rarity: Mythic Cost: {3}{R}{W}{B} Vigilance, menace, lifelink Whenever Kroxa and Kunoros enters the battlefield or attacks, you may exile five cards from your graveyard. When you do, return target creature card from your graveyard to the battlefield. When the Invasion Tree reached the Underworld, it found only teeth and fury.