edhseer Commander synergy, explained
Enchantment
Mana cost: {1}{G}
At the beginning of each player's upkeep, that player chooses target player who controls more creatures than they do and is their opponent. The first player may reveal cards from the top of their library until they reveal a creature card. If the first player does, that player puts that card onto the battlefield and all other cards revealed this way into their graveyard.
triggered — mills a card
Causes: mill a card.
Cares about: an upkeep.
a card is milled — 772 cards in the game can cause this (Oath of Druids is one).
an enchantment is cast — 3,673 cards in the game can cause this (Oath of Druids is one).
When Oath of Druids is cast:
255 other cards care about it too. These are the ones with the most connections.
a nontoken enchantment enters the battlefield — 3,691 cards in the game can cause this (Oath of Druids is one).
an enchantment enters the battlefield — 3,743 cards in the game can cause this (Oath of Druids is one).
When Oath of Druids enters:
62 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 (Oath of Druids 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 (Oath of Druids is one).
When a card hits the graveyard thanks to Oath of Druids:
2 other cards care about it too. These are the ones with the most connections.