In green, it means going big, as exemplified by Ouroboroid
In blue decks that arent running green especially, this is an easy include
At four ink to play, she is incredibly cheap to get out and then the profit you gain off her just keeps growing and growing
Most hydras in Magic suffer from the dies to Doom Blade syndrome, meaning that theyre blanked by removal that says destroy or exile. Many hydras are thus Limited bombs, but hard to make work in a Constructed deck
Further Upgrades Some of the Knight cards were targeted for speculator buyouts, including the single best one for the deck: Kinsbaile Cavalier
Legendary Artifact Color tag templates(None) Chrome Mox Imprint When this artifact enters, you may exile a nonartifact, nonland card from your hand