edhseer Commander synergy, explained
Creature — Horror
Mana cost: {5}{U}{B}{B}
Trample
Whenever this creature deals combat damage to a player, you may look at that player's hand. If you do, you may cast a spell from among those cards without paying its mana cost.
triggered —
Causes: cast a spell.
Cares about: nothing.
hits creature — 2,298 cards in the game can cause this.
12 other cards care about it too. These are the ones with the most connections.
a spell is cast — 155 cards in the game can cause this (Mindleech Mass is one).
When a spell is cast thanks to Mindleech Mass:
452 other cards care about it too. These are the ones with the most connections.
a Horror deals combat damage — 382 cards in the game can cause this (Mindleech Mass is one).
anything attacks — 17,934 cards in the game can cause this (Mindleech Mass is one).
When Mindleech Mass 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 (Mindleech Mass is one).
When Mindleech Mass attacks:
185 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 (Mindleech Mass is one).
When Mindleech Mass blocks:
23 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 (Mindleech Mass is one).
2 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 (Mindleech Mass is one).
When Mindleech Mass enters:
311 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 (Mindleech Mass is one).
47 other cards care about it too. These are the ones with the most connections.