edhseer Commander synergy, explained
Instant — Lesson
Mana cost: {2}{R}
Target creature gains menace until end of turn.
on-cast — grants a keyword
Creatures target player controls get +2/+0 until end of turn.
on-cast — gives +2/+0
Causes: nothing.
Cares about: nothing.
an instant is cast — 3,931 cards in the game can cause this (How to Start a Riot is one).
When How to Start a Riot 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 (How to Start a Riot is one).
When How to Start a Riot is cast:
4 other cards care about it too. These are the ones with the most connections.