So that means triggering your Hedron Crab also triggers this homarid mercenary, as would targeting them with something like Glimpse the Unthinkable
I expect that, most of the time, The Thirteenth Doctor will pick a Doctors companion with red in the color identity to unlock the various red draw into exile cards like Reckless Impulse
Artifact Land Color tag templates(None) Mistvault Bridge This land enters tapped
Cards like Blightspeaker, Lin Sivvi, Defiant Hero, and Ramosian Sergeant are excellent for their utility and ability to pluck relevant rebels from your deck
What's included: 5-Deck Kit: 5 deck compartments, dice box, and toploader slots
Electro, Assaulting Battery Electro, Assaulting Battery is [insert Energizer joke], but seriously, getting mana for casting spells and the ability to store up mana, and the mana sink on the way out