edhseer Commander synergy, explained
Land
Add {C}.
activated {T} — adds 1 mana
Look at the top card of your library. If it's an instant or sorcery card, you may reveal it and put it into your hand. If you don't put the card into your hand, you may put it into your graveyard. Activate only if you have exactly zero or seven cards in hand.
activated {2}, {T} — searches a library
activated {2}, {T} — mills a card
Causes: mill a card.
Cares about: nothing.
a land enters the battlefield — 1,560 cards in the game can cause this (The Biblioplex is one).
When The Biblioplex enters:
199 other cards care about it too. These are the ones with the most connections.
a card in a graveyard — 7,589 cards in the game can cause this (The Biblioplex is one).
434 other cards care about it too. These are the ones with the most connections.
anything goes to a graveyard — 7,589 cards in the game can cause this (The Biblioplex is one).
When a card hits the graveyard thanks to The Biblioplex:
7 other cards care about it too. These are the ones with the most connections.