Generally, any evasive creature (like Kappa Cannoneer) can fulfill this role, but the specifics will depend on which commander youre playing
Though that combo isn't quick enough to make Enduring Tenacity more than a bit player in Standard, it's the kind of card that life-gain and life-drain decks in EDH love to play with, as it's effectively a second copy of Sanguine Bond (albeit cheaper and slightly more vulnerable to exile-based removal)
In Traditional Chinese the circle floats in the middle of the line
Yet, one deck archetype is seeing a lot of play in Commander and Pioneer, making an old MTG card spike from around $2 to around $22
If you came here for The Star-Spangled Banner, Im sorry to disappoint you
Reconnaissance Mission #153 (Magic Marvel Super Heroes Commander | Magic Cards) prices are based on the historic sales