edhseer Commander synergy, explained
Creature — Phyrexian Cleric
Mana cost: {G}{W}
Toxic 2
Whenever another creature you control with toxic attacks, it gets +1/+1 until end of turn.
triggered — gives +1/+1
Causes: nothing.
Cares about: a creature attacks.
a Phyrexian attacks — 495 cards in the game can cause this (Slaughter Singer is one).
a nontoken Phyrexian enters the battlefield — 496 cards in the game can cause this (Slaughter Singer is one).
a Phyrexian it grants abilities to — 523 cards in the game can cause this.
522 other cards cause it too. These are the ones with the most connections.
a Phyrexian enters the battlefield — 524 cards in the game can cause this (Slaughter Singer is one).
a Cleric enters the battlefield — 722 cards in the game can cause this (Slaughter Singer is one).
1 other card cares about it too. These are the ones with the most connections.
anything gets a counter — 4,415 cards in the game can cause this (Slaughter Singer is one).
8 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 (Slaughter Singer is one).
When Slaughter Singer attacks:
112 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 (Slaughter Singer is one).
When Slaughter Singer attacks:
181 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 (Slaughter Singer is one).
When Slaughter Singer blocks:
18 other cards care about it too. These are the ones with the most connections.
a nontoken creature attacks — 17,934 cards in the game can cause this (Slaughter Singer is one).
When Slaughter Singer attacks:
a creature deals combat damage — 17,934 cards in the game can cause this (Slaughter Singer is one).
When Slaughter Singer deals combat damage:
194 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 (Slaughter Singer is one).
When Slaughter Singer is cast:
81 other cards care about it too. These are the ones with the most connections.
a nontoken creature enters the battlefield — 18,448 cards in the game can cause this (Slaughter Singer is one).
32 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 (Slaughter Singer is one).
When Slaughter Singer enters:
309 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 (Slaughter Singer is one).
40 other cards care about it too. These are the ones with the most connections.