edhseer Commander synergy, explained
Sorcery
Mana cost: {U}
Target player mills four cards. You shuffle up to four cards from your graveyard into your library.
on-cast — mills a card
on-cast —
Replicate {2}{U}{U}
Causes: mill a card, shuffle a library, anything leaves a graveyard.
Cares about: nothing.
a card is milled — 772 cards in the game can cause this (Stream of Thought is one).
anything leaves a graveyard — 2,503 cards in the game can cause this (Stream of Thought is one).
When Stream of Thought leaves a graveyard:
13 other cards care about it too. These are the ones with the most connections.
a sorcery is cast — 3,720 cards in the game can cause this (Stream of Thought is one).
When Stream of Thought is cast:
424 other cards care about it too. These are the ones with the most connections.
a card in a graveyard — 7,589 cards in the game can cause this (Stream of Thought is one).
434 other cards care about it too. These are the ones with the most connections.
anything goes to a graveyard — 7,589 cards in the game can cause this (Stream of Thought is one).
When a card hits the graveyard thanks to Stream of Thought:
2 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 (Stream of Thought is one).
When Stream of Thought is cast:
5 other cards care about it too. These are the ones with the most connections.