edhseer Commander synergy, explained
Instant
Mana cost: {1}{R}{R}
Choose target instant or sorcery spell. Each opponent may copy that spell and may choose new targets for the copy they control. You copy that spell once plus an additional time for each opponent who copied the spell this way. You may choose new targets for the copies you control.
on-cast — copies a spell
on-cast — copies a spell
Causes: copy an instant, copy a sorcery, copy a spell.
Cares about: nothing.
a sorcery is copied — 83 cards in the game can cause this (Tempt with Mayhem is one).
When Tempt with Mayhem is copied:
21 other cards care about it too. These are the ones with the most connections.
an instant is copied — 87 cards in the game can cause this (Tempt with Mayhem is one).
31 other cards care about it too. These are the ones with the most connections.
a spell is copied — 122 cards in the game can cause this (Tempt with Mayhem is one).
an instant is cast — 3,931 cards in the game can cause this (Tempt with Mayhem is one).
When Tempt with Mayhem 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 (Tempt with Mayhem is one).
When Tempt with Mayhem is cast:
5 other cards care about it too. These are the ones with the most connections.