edhseer Commander synergy, explained
Sorcery
Mana cost: {1}{U}
Look at the top three cards of your library. Put one of them into your hand and the rest on the bottom of your library in any order.
on-cast — puts cards into your hand
As long as you control a Giant, you may cast this card from your graveyard by paying {U} rather than paying its mana cost. If you cast this card this way and it would be put into your graveyard, exile it instead.
on-cast — brings a card back
on-cast —
Causes: cast anything, anything leaves a graveyard, exile a card.
Cares about: nothing.
anything is exiled — 2,497 cards in the game can cause this (Glimpse the Cosmos is one).
anything leaves a graveyard — 2,503 cards in the game can cause this (Glimpse the Cosmos is one).
When Glimpse the Cosmos 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 (Glimpse the Cosmos is one).
When Glimpse the Cosmos is cast:
424 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 (Glimpse the Cosmos is one).
When Glimpse the Cosmos is cast:
5 other cards care about it too. These are the ones with the most connections.