edhseer Commander synergy, explained
Artifact
Mana cost: {4}
You may exile a nonland card from your hand. You may cast that card for as long as it remains exiled. Put a charge counter on this artifact and note the type and amount of mana spent to pay this activation cost. Activate only if there are no charge counters on this artifact.
activated {X}, {T} —
activated {X}, {T} — puts a counter on it
activated {X}, {T} —
Add this artifact's last noted type and amount of mana. Spend this mana only to cast the last card exiled with this artifact.
activated {T}, Remove a charge counter from this artifact —
activated {T}, Remove a charge counter from this artifact — adds mana
Causes: exile an artifact, exile a battle, exile a creature, exile an enchantment, exile an instant, exile a planeswalker, exile a sorcery, put a counter on anything, cast anything, remove a counter from anything.
Cares about: nothing.
a planeswalker is exiled — 231 cards in the game can cause this (Ice Cauldron is one).
a nontoken artifact is exiled — 334 cards in the game can cause this (Ice Cauldron is one).
When an artifact is exiled thanks to Ice Cauldron:
an artifact is exiled — 336 cards in the game can cause this (Ice Cauldron is one).
1 other card cares about it too. These are the ones with the most connections.
a nontoken creature is exiled — 995 cards in the game can cause this (Ice Cauldron is one).
a creature is exiled — 1,003 cards in the game can cause this (Ice Cauldron is one).
When a creature is exiled thanks to Ice Cauldron:
3 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 (Ice Cauldron is one).
an artifact is cast — 3,683 cards in the game can cause this (Ice Cauldron is one).
When Ice Cauldron is cast:
271 other cards care about it too. These are the ones with the most connections.
a nontoken artifact enters the battlefield — 3,768 cards in the game can cause this (Ice Cauldron is one).
When Ice Cauldron enters:
anything gets a counter — 4,415 cards in the game can cause this (Ice Cauldron is one).
7 other cards care about it too. These are the ones with the most connections.
an artifact enters the battlefield — 4,643 cards in the game can cause this (Ice Cauldron is one).
When Ice Cauldron enters:
55 other cards care about it too. These are the ones with the most connections.
anything enters the battlefield — 26,499 cards in the game can cause this (Ice Cauldron is one).
When Ice Cauldron enters:
40 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 (Ice Cauldron is one).
When Ice Cauldron is cast:
10 other cards care about it too. These are the ones with the most connections.