edhseer Commander synergy, explained
Legendary Creature — Human Spy Hero
Mana cost: {1}{B}
Menace
Whenever Black Widow deals combat damage to a player, that player exiles cards from the top of their library until they exile a nonland card. You may put a +1/+1 counter on Black Widow. If you don't, you may cast the exiled nonland card until end of turn and mana of any type can be spent to cast that spell.
triggered —
triggered — puts a counter on it
triggered —
Causes: exile a card, put a counter on anything, cast an artifact, cast a battle, cast a creature, cast an enchantment, cast an instant, cast a planeswalker, cast a sorcery.
Cares about: nothing.
a battle is cast — 15 cards in Black Widow's colors can cause this (Black Widow is one).
2 other cards care about it too. These are the ones with the most connections.
a planeswalker is cast — 45 cards in Black Widow's colors can cause this (Black Widow is one).
12 other cards care about it too. These are the ones with the most connections.
a Hero enters the battlefield — 31 cards in Black Widow's colors can cause this (Black Widow is one).
a creature gets a counter — 542 cards in Black Widow's colors can cause this (Black Widow is one).
When Black Widow, Super Spy gets a counter:
2 other cards care about it too. These are the ones with the most connections.
an enchantment is cast — 594 cards in Black Widow's colors can cause this (Black Widow is one).
12 other cards care about it too. These are the ones with the most connections.
an artifact is cast — 2,470 cards in Black Widow's colors can cause this (Black Widow is one).
11 other cards care about it too. These are the ones with the most connections.
a sorcery is cast — 858 cards in Black Widow's colors can cause this (Black Widow is one).
When an instant is cast thanks to Black Widow, Super Spy:
21 other cards care about it too. These are the ones with the most connections.
a creature attacks — 3,478 cards in Black Widow's colors can cause this (Black Widow is one).
When Black Widow, Super Spy attacks:
45 other cards care about it too. These are the ones with the most connections.
anything attacks — 3,478 cards in Black Widow's colors can cause this (Black Widow is one).
When Black Widow, Super Spy attacks:
6 other cards care about it too. These are the ones with the most connections.
a creature blocks — 3,478 cards in Black Widow's colors can cause this (Black Widow is one).
When Black Widow, Super Spy blocks:
3 other cards care about it too. These are the ones with the most connections.
a creature deals combat damage — 3,478 cards in Black Widow's colors can cause this (Black Widow is one).
62 other cards care about it too. These are the ones with the most connections.
a creature is cast — 3,493 cards in Black Widow's colors can cause this (Black Widow is one).
When Black Widow, Super Spy is cast:
16 other cards care about it too. These are the ones with the most connections.