edhseer Commander synergy, explained
Artifact Creature — Siren Pirate
Mana cost: {1}{U}
Flying, vigilance
Add {U}. Spend this mana only to cast an artifact spell or activate an ability of an artifact source.
activated {T} — adds 1 mana
Causes: nothing.
Cares about: nothing.
a Pirate deals combat damage — 223 cards in the game can cause this (Oaken Siren is one).
1 other card cares about it too. These are the ones with the most connections.
a Pirate attacks — 223 cards in the game can cause this (Oaken Siren is one).
a Pirate enters the battlefield — 231 cards in the game can cause this (Oaken Siren is one).
When Oaken Siren enters:
an artifact attacks — 1,243 cards in the game can cause this (Oaken Siren is one).
When Oaken Siren attacks:
an artifact deals combat damage — 1,243 cards in the game can cause this (Oaken Siren is one).
When Oaken Siren deals combat damage:
2 other cards care about it too. These are the ones with the most connections.
a nontoken artifact deals combat damage — 1,243 cards in the game can cause this (Oaken Siren is one).
an artifact is cast — 3,683 cards in the game can cause this (Oaken Siren is one).
When Oaken Siren is cast:
271 other cards care about it too. These are the ones with the most connections.
a nontoken artifact enters the battlefield — 3,768 cards in the game can cause this (Oaken Siren is one).
When Oaken Siren enters:
an artifact enters the battlefield — 4,643 cards in the game can cause this (Oaken Siren is one).
When Oaken Siren enters:
56 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 (Oaken Siren is one).
When Oaken Siren attacks:
132 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 (Oaken Siren is one).
When Oaken Siren attacks:
197 other cards care about it too. These are the ones with the most connections.
a creature is cast — 18,010 cards in the game can cause this (Oaken Siren is one).
90 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 (Oaken Siren is one).
When Oaken Siren enters:
345 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 (Oaken Siren is one).
68 other cards care about it too. These are the ones with the most connections.