edhseer Commander synergy, explained
Legendary Creature — Human Officer
Not yet released — 13 Nov 2026
Mana cost: {1}{R}
First strike
Whenever Beckett Mariner becomes tapped, put a promotion counter on her. Then if there are three or more promotion counters on her, remove those counters and she deals 2 damage to each opponent.
triggered — puts a counter on it
triggered —
triggered — deals 2 damage
What a deck led by this card wants
Causes: put a counter on anything, remove a counter from anything, anything deals noncombat damage.
Cares about: nothing.
anything deals noncombat damage — 3,068 cards in the game can cause this (Beckett Mariner is one).
When Beckett Mariner, Impetuous Ensign deals noncombat damage:
37 other cards care about it too. These are the ones with the most connections.
life is lost — 3,160 cards in the game can cause this (Beckett Mariner is one).
When Beckett Mariner, Impetuous Ensign makes a player lose life:
46 other cards care about it too. These are the ones with the most connections.
anything gets a counter — 4,415 cards in the game can cause this (Beckett Mariner is one).
8 other cards care about it too. These are the ones with the most connections.
a Human enters the battlefield — 4,639 cards in the game can cause this (Beckett Mariner is one).
When Beckett Mariner, Impetuous Ensign enters:
2 other cards care about it too. These are the ones with the most connections.
a creature attacks — 17,934 cards in the game can cause this (Beckett Mariner is one).
When Beckett Mariner, Impetuous Ensign attacks:
183 other cards care about it too. These are the ones with the most connections.
anything attacks — 17,934 cards in the game can cause this (Beckett Mariner is one).
When Beckett Mariner, Impetuous Ensign attacks:
111 other cards care about it too. These are the ones with the most connections.
a creature blocks — 17,934 cards in the game can cause this (Beckett Mariner is one).
When Beckett Mariner, Impetuous Ensign blocks:
26 other cards care about it too. These are the ones with the most connections.
a creature enters the battlefield — 19,800 cards in the game can cause this (Beckett Mariner is one).
When Beckett Mariner, Impetuous Ensign enters:
303 other cards care about it too. These are the ones with the most connections.
anything enters the battlefield — 26,499 cards in the game can cause this (Beckett Mariner is one).
43 other cards care about it too. These are the ones with the most connections.