edhseer Commander synergy, explained
Sorcery
Mana cost: {3}{G}
Look at the top ten cards of your library, exile up to two creature cards from among them, then shuffle. Target opponent may choose one of the exiled cards and put it onto the battlefield under their control. Put the rest onto the battlefield under your control.
on-cast —
on-cast —
on-cast — blinks a permanent
on-cast — blinks a permanent
Causes: shuffle a library, exile a creature, put anything onto the battlefield.
Cares about: nothing.
a nontoken creature is exiled — 995 cards in the game can cause this (Dubious Challenge is one).
a creature is exiled — 1,003 cards in the game can cause this (Dubious Challenge is one).
1 other card cares about it too. These are the ones with the most connections.
anything is exiled — 2,497 cards in the game can cause this (Dubious Challenge is one).
a sorcery is cast — 3,720 cards in the game can cause this (Dubious Challenge is one).
When Dubious Challenge is cast:
424 other cards care about it too. These are the ones with the most connections.
anything enters the battlefield — 26,499 cards in the game can cause this (Dubious Challenge is one).
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 (Dubious Challenge is one).
When Dubious Challenge is cast:
5 other cards care about it too. These are the ones with the most connections.