edhseer Commander synergy, explained
Instant
Mana cost: {2}{W}{W}
Convoke
Any number of target nonland permanents you control phase out.
on-cast —
Causes: an artifact phases out, a battle phases out, a creature phases out, an enchantment phases out, a planeswalker phases out.
Cares about: nothing.
an instant is cast — 3,931 cards in the game can cause this (Clever Concealment is one).
When Clever Concealment is cast:
427 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 (Clever Concealment is one).
When Clever Concealment is cast:
5 other cards care about it too. These are the ones with the most connections.