edhseer Commander synergy, explained
Instant
Mana cost: {X}{U}
Tap X target creatures.
on-cast —
If you control a creature with power 4 or greater, those creatures don't untap during their controllers' next untap steps.
Causes: tap a creature.
Cares about: nothing.
a creature becomes tapped — 565 cards in the game can cause this (Icy Blast is one).
When a creature becomes tapped thanks to Icy Blast:
11 other cards care about it too. These are the ones with the most connections.
anything becomes tapped — 699 cards in the game can cause this (Icy Blast is one).
1 other card cares about it too. These are the ones with the most connections.
an instant is cast — 3,931 cards in the game can cause this (Icy Blast is one).
When Icy 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 (Icy Blast is one).
When Icy Blast is cast:
5 other cards care about it too. These are the ones with the most connections.