edhseer Commander synergy, explained
Sorcery // Land
Mana cost: {5}{B/R}{B/R}
This spell costs {1} less to cast for each 1 life your opponents have lost this turn.
on-cast — costs less
Target opponent exiles the top three cards of their library. Until the end of your next turn, you may play those cards. If you cast a spell this way, mana of any type can be spent to cast it.
on-cast —
on-cast —
This land enters tapped.
Add {B} or {R}.
activated {T} — adds 1 mana
Causes: exile a card, cast anything.
Cares about: nothing.
a land enters the battlefield — 1,560 cards in the game can cause this (Bloodsoaked Insight is one).
When Bloodsoaked Insight // Sanguine Morass enters:
199 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 (Bloodsoaked Insight is one).
a sorcery is cast — 3,720 cards in the game can cause this (Bloodsoaked Insight is one).
When Bloodsoaked Insight // Sanguine Morass is cast:
430 other cards care about it too. These are the ones with the most connections.