edhseer Commander synergy, explained
Instant
Mana cost: {X}{U}
X can't be 0.
Target spell's controller exiles it with X delay counters on it.
on-cast —
on-cast — puts X counters on it
At the beginning of each of that player's upkeeps, if that card is exiled, remove a delay counter from it. If the card has no delay counters on it, the player puts it onto the stack as a copy of the original spell.
triggered —
triggered — copies a spell
Causes: exile a spell, a spell leaves the battlefield, put a counter on anything, remove a counter from anything, copy a spell.
Cares about: nothing.
a spell is copied — 122 cards in the game can cause this (Ertai's Meddling is one).
When Ertai's Meddling is copied:
anything is exiled — 2,497 cards in the game can cause this (Ertai's Meddling is one).
an instant is cast — 3,931 cards in the game can cause this (Ertai's Meddling is one).
When Ertai's Meddling is cast:
427 other cards care about it too. These are the ones with the most connections.
anything gets a counter — 4,415 cards in the game can cause this (Ertai's Meddling is one).
7 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 (Ertai's Meddling is one).
When Ertai's Meddling is cast:
5 other cards care about it too. These are the ones with the most connections.