edhseer Commander synergy, explained
Legendary Sorcery
Mana cost: {4}{W}
(You may cast a legendary sorcery only if you control a legendary creature or planeswalker.)
Exile all nonland permanents that aren't legendary.
on-cast —
Causes: 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.
Cares about: nothing.
anything leaves the battlefield — 1 card in the game can cause this (Urza's Ruinous Blast is one).
a planeswalker is exiled — 231 cards in the game can cause this (Urza's Ruinous Blast is one).
a nontoken artifact is exiled — 334 cards in the game can cause this (Urza's Ruinous Blast is one).
When an artifact is exiled thanks to Urza's Ruinous Blast:
an artifact is exiled — 336 cards in the game can cause this (Urza's Ruinous Blast 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 (Urza's Ruinous Blast is one).
a creature is exiled — 1,003 cards in the game can cause this (Urza's Ruinous Blast is one).
When a creature is exiled thanks to Urza's Ruinous Blast:
4 other cards care about it too. These are the ones with the most connections.
an artifact leaves the battlefield — 1,680 cards in the game can cause this (Urza's Ruinous Blast is one).
anything is exiled — 2,497 cards in the game can cause this (Urza's Ruinous Blast is one).
a sorcery is cast — 3,720 cards in the game can cause this (Urza's Ruinous Blast is one).
When Urza's Ruinous Blast is cast:
424 other cards care about it too. These are the ones with the most connections.
a nontoken creature leaves the battlefield — 4,133 cards in the game can cause this (Urza's Ruinous Blast is one).
When a creature leaves the battlefield thanks to Urza's Ruinous Blast:
a creature leaves the battlefield — 4,238 cards in the game can cause this (Urza's Ruinous Blast is one).
When a creature leaves the battlefield thanks to Urza's Ruinous Blast:
19 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 (Urza's Ruinous Blast is one).
When Urza's Ruinous Blast is cast:
5 other cards care about it too. These are the ones with the most connections.