edhseer Commander synergy, explained
Land — Town // Sorcery — Adventure
Mana cost: {4}{U}{U}
This land enters tapped.
Add {U}.
activated {T} — adds 1 mana
Target opponent mills half their library, rounded down.
on-cast — mills a card
Causes: mill a card.
Cares about: nothing.
an Adventure sorcery is cast — 77 cards in the game can cause this (Jidoor is one).
a card is milled — 772 cards in the game can cause this (Jidoor is one).
a land it grants abilities to — 1,237 cards in the game can cause this.
1,233 other cards cause it too. These are the ones with the most connections.
a land enters the battlefield — 1,560 cards in the game can cause this (Jidoor is one).
When Jidoor, Aristocratic Capital // Overture enters:
199 other cards care about it too. These are the ones with the most connections.
a sorcery is cast — 3,720 cards in the game can cause this (Jidoor is one).
When Jidoor, Aristocratic Capital // Overture is cast:
429 other cards care about it too. These are the ones with the most connections.