edhseer Commander synergy, explained
Instant
Mana cost: {4}{U}{U}
Counter target spell. If a permanent spell is countered this way, exile it instead of putting it into its owner's graveyard. You may cast that card without paying its mana cost for as long as it remains exiled.
on-cast —
on-cast —
on-cast —
Causes: counter a spell, exile an artifact, exile a battle, exile a creature, exile an enchantment, exile a planeswalker, an artifact leaves the battlefield, a battle leaves the battlefield, a creature leaves the battlefield, an enchantment leaves the battlefield, a planeswalker leaves the battlefield, cast an artifact, cast a battle, cast a creature, cast an enchantment, cast a planeswalker.
Cares about: nothing.
a battle is cast — 100 cards in the game can cause this (Thranduil's Decree is one).
When an artifact is cast thanks to Thranduil's Decree:
235 other cards care about it too. These are the ones with the most connections.
a planeswalker is cast — 361 cards in the game can cause this (Thranduil's Decree is one).
246 other cards care about it too. These are the ones with the most connections.
anything is exiled — 2,497 cards in the game can cause this (Thranduil's Decree is one).
1 other card cares about it too. These are the ones with the most connections.
an enchantment is cast — 3,673 cards in the game can cause this (Thranduil's Decree is one).
When an enchantment is cast thanks to Thranduil's Decree:
255 other cards care about it too. These are the ones with the most connections.
an artifact is cast — 3,683 cards in the game can cause this (Thranduil's Decree is one).
When an artifact is cast thanks to Thranduil's Decree:
271 other cards care about it too. These are the ones with the most connections.
an instant is cast — 3,931 cards in the game can cause this (Thranduil's Decree is one).
When Thranduil's Decree is cast:
427 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 (Thranduil's Decree is one).
When a creature is cast thanks to Thranduil's Decree:
81 other cards care about it too. These are the ones with the most connections.
anything is cast — 31,128 cards in the game can cause this (Thranduil's Decree is one).
6 other cards care about it too. These are the ones with the most connections.