edhseer Commander synergy, explained
Instant
Mana cost: {4}{W}
Creatures you control get +2/+1 until end of turn.
on-cast — gives +2/+1
Foretell {2}{W}
Causes: nothing.
Cares about: nothing.
an instant is cast — 3,931 cards in the game can cause this (Warhorn Blast is one).
When Warhorn Blast 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 (Warhorn Blast is one).
When Warhorn Blast is cast:
5 other cards care about it too. These are the ones with the most connections.