edhseer Commander synergy, explained
Creature — Wall
Mana cost: {4}{U}
Defender
When this creature enters, you may return target instant or sorcery card from your graveyard to your hand.
triggered — brings a card back
Causes: an instant leaves a graveyard, a sorcery leaves a graveyard.
Cares about: an instant in a graveyard, a sorcery in a graveyard.
an instant leaves a graveyard — 202 cards in the game can cause this (Mnemonic Wall is one).
a Wall creature it applies animate to — 229 cards in the game can cause this.
228 other cards cause it too. These are the ones with the most connections.
anything leaves a graveyard — 2,503 cards in the game can cause this (Mnemonic Wall is one).
When an instant or sorcery leaves a graveyard thanks to Mnemonic Wall:
13 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 (Mnemonic Wall is one).
When Mnemonic Wall 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 (Mnemonic Wall is one).
When Mnemonic Wall attacks:
180 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 (Mnemonic Wall is one).
When Mnemonic Wall blocks:
18 other cards care about it too. These are the ones with the most connections.
a creature deals combat damage — 17,934 cards in the game can cause this (Mnemonic Wall is one).
When Mnemonic Wall deals combat damage:
193 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 (Mnemonic Wall is one).
When Mnemonic Wall attacks:
a creature is cast — 18,010 cards in the game can cause this (Mnemonic Wall is one).
When Mnemonic Wall is cast:
86 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 (Mnemonic Wall is one).
When Mnemonic Wall enters:
302 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 (Mnemonic Wall is one).
39 other cards care about it too. These are the ones with the most connections.