edhseer Commander synergy, explained
Creature — Horror Wizard
Mana cost: {2}{U}
When this creature enters and at the beginning of your upkeep, each Horror you control gains all activated abilities of target artifact an opponent controls until end of turn. You may spend blue mana as though it were mana of any color to activate those abilities.
triggered — grants a keyword
triggered — grants a keyword
Causes: nothing.
Cares about: an upkeep.
a Horror deals combat damage — 382 cards in the game can cause this (Grell Philosopher is one).
a nontoken Wizard enters the battlefield — 1,243 cards in the game can cause this (Grell Philosopher is one).
a Wizard creature enters the battlefield — 1,264 cards in the game can cause this (Grell Philosopher is one).
anything attacks — 17,934 cards in the game can cause this (Grell Philosopher is one).
When Grell Philosopher 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 (Grell Philosopher is one).
When Grell Philosopher 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 (Grell Philosopher is one).
When Grell Philosopher 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 (Grell Philosopher is one).
When Grell Philosopher attacks:
a creature deals combat damage — 17,934 cards in the game can cause this (Grell Philosopher is one).
When Grell Philosopher 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 (Grell Philosopher is one).
When Grell Philosopher 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 (Grell Philosopher is one).
When Grell Philosopher enters:
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 (Grell Philosopher is one).
When Grell Philosopher 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 (Grell Philosopher is one).
39 other cards care about it too. These are the ones with the most connections.