edhseer Commander synergy, explained
Enchantment
Mana cost: {2}{W}{W}
Cumulative upkeep {W}
Whenever a Swamp, Mountain, black permanent, or red permanent becomes tapped, this enchantment deals 1 damage to that permanent's controller.
triggered — deals 1 damage
Causes: anything deals noncombat damage.
Cares about: anything becomes tapped.
an enchantment is sacrificed — 588 cards in the game can cause this (Royal Decree is one).
an enchantment in a graveyard — 983 cards in the game can cause this (Royal Decree is one).
When Royal Decree is in the graveyard:
104 other cards care about it too. These are the ones with the most connections.
an enchantment is put into a graveyard from the battlefield — 987 cards in the game can cause this (Royal Decree is one).
When Royal Decree is put into a graveyard from the battlefield:
1 other card cares about it too. These are the ones with the most connections.
anything deals noncombat damage — 3,068 cards in the game can cause this (Royal Decree is one).
When Royal Decree deals noncombat damage:
36 other cards care about it too. These are the ones with the most connections.
life is lost — 3,160 cards in the game can cause this (Royal Decree is one).
When Royal Decree makes a player lose life:
46 other cards care about it too. These are the ones with the most connections.
anything is sacrificed — 3,450 cards in the game can cause this (Royal Decree is one).
3 other cards care about it too. These are the ones with the most connections.
an enchantment is cast — 3,673 cards in the game can cause this (Royal Decree is one).
When Royal Decree 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 (Royal Decree is one).
an enchantment enters the battlefield — 3,743 cards in the game can cause this (Royal Decree is one).
When Royal Decree enters:
72 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 (Royal Decree is one).
443 other cards care about it too. These are the ones with the most connections.