edhseer Commander synergy, explained
Creature — Human Wizard
Mana cost: {3}{B}
Reveal any number of black cards in your hand. Target creature gets -X/-X until end of turn, where X is the number of cards revealed this way.
activated {2}{B}, {T} — shrinks a creature
Causes: nothing.
Cares about: nothing.
a nontoken Wizard enters the battlefield — 1,243 cards in the game can cause this (Nightshade Seer is one).
a Wizard creature enters the battlefield — 1,264 cards in the game can cause this (Nightshade Seer is one).
a Human enters the battlefield — 4,639 cards in the game can cause this (Nightshade Seer is one).
When Nightshade Seer enters:
2 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 (Nightshade Seer is one).
When Nightshade Seer 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 (Nightshade Seer is one).
When Nightshade Seer attacks:
182 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 (Nightshade Seer is one).
When Nightshade Seer 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 (Nightshade Seer is one).
When Nightshade Seer attacks:
a creature deals combat damage — 17,934 cards in the game can cause this (Nightshade Seer is one).
When Nightshade Seer deals combat damage:
195 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 (Nightshade Seer is one).
When Nightshade Seer is cast:
87 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 (Nightshade Seer is one).
When Nightshade Seer 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 (Nightshade Seer is one).
42 other cards care about it too. These are the ones with the most connections.