edhseer Commander synergy, explained
Instant
Mana cost: {U}
Until end of turn, target artifact or creature becomes a Dinosaur artifact creature with base power and toughness 4/3 in addition to its other types.
on-cast — turns something into a creature
Causes: nothing.
Cares about: nothing.
an instant is cast — 3,931 cards in the game can cause this (Relic's Roar is one).
When Relic's Roar 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 (Relic's Roar is one).
When Relic's Roar is cast:
5 other cards care about it too. These are the ones with the most connections.