edhseer Commander synergy, explained
Legendary Creature — Spider Human Hero
Mana cost: {B}{R}
Menace
When Scarlet Spider enters, you may discard a card. If you do, put a +1/+1 counter on him.
triggered —
triggered — puts a counter on it
Mayhem {B/R}
What a deck led by this card wants
Causes: discard a card, put a counter on anything.
Cares about: nothing.
a Spider enters the battlefield — 206 cards in the game can cause this (Scarlet Spider is one).
a Spider creature it grants types to — 207 cards in the game can cause this.
206 other cards cause it too. These are the ones with the most connections.
a nontoken Hero enters the battlefield — 358 cards in the game can cause this (Scarlet Spider is one).
a Hero enters the battlefield — 375 cards in the game can cause this (Scarlet Spider is one).
When Scarlet Spider, Kaine enters:
a card is discarded — 2,042 cards in the game can cause this (Scarlet Spider is one).
When Scarlet Spider, Kaine makes a player discard a card:
51 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 (Scarlet Spider is one).
7 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 (Scarlet Spider is one).
When Scarlet Spider, Kaine enters:
2 other cards care about it too. These are the ones with the most connections.
a card in a graveyard — 7,589 cards in the game can cause this (Scarlet Spider is one).
Scarlet Spider, Kaine:
434 other cards care about it too. These are the ones with the most connections.
anything goes to a graveyard — 7,589 cards in the game can cause this (Scarlet Spider is one).
When a card hits the graveyard thanks to Scarlet Spider, Kaine:
7 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 (Scarlet Spider is one).
When Scarlet Spider, Kaine attacks:
121 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 (Scarlet Spider is one).
When Scarlet Spider, Kaine attacks:
198 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 (Scarlet Spider is one).
29 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 (Scarlet Spider is one).
When Scarlet Spider, Kaine 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 (Scarlet Spider is one).
62 other cards care about it too. These are the ones with the most connections.