edhseer Commander synergy, explained
Instant
Mana cost: {3}{U}
Counter target noncreature spell.
on-cast —
Draw a card.
on-cast — draws you 1 card
Causes: counter an artifact, counter a battle, counter an enchantment, counter an instant, counter a planeswalker, counter a sorcery, draw a card.
Cares about: nothing.
a card is drawn — 3,815 cards in the game can cause this (Scatter Arc is one).
When Scatter Arc makes a player draw a card:
57 other cards care about it too. These are the ones with the most connections.
an instant is cast — 3,931 cards in the game can cause this (Scatter Arc is one).
When Scatter Arc is cast:
427 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 (Scatter Arc is one).
When Scatter Arc is cast:
5 other cards care about it too. These are the ones with the most connections.