edhseer Commander synergy, explained
Legendary Enchantment
Mana cost: {3}{B}{R}
When Rakdos Joins Up enters, return target creature card from your graveyard to the battlefield with two additional +1/+1 counters on it.
triggered — brings a card back
triggered — puts 2 counters on it
Whenever a legendary creature you control dies, Rakdos Joins Up deals damage equal to that creature's power to target opponent.
triggered — deals that creature's power damage
Causes: put a creature onto the battlefield, a creature leaves a graveyard, put a counter on anything, anything deals noncombat damage.
Cares about: a creature dies, a creature in a graveyard.
a creature leaves a graveyard — 1,302 cards in the game can cause this (Rakdos Joins Up is one).
When a creature leaves a graveyard thanks to Rakdos Joins Up:
3 other cards care about it too. These are the ones with the most connections.
anything leaves a graveyard — 2,503 cards in the game can cause this (Rakdos Joins Up is one).
When a creature leaves a graveyard thanks to Rakdos Joins Up:
13 other cards care about it too. These are the ones with the most connections.
put a creature into a graveyard — 2,769 cards in the game can cause this.
2,759 other cards cause it too. These are the ones with the most connections.
anything deals noncombat damage — 3,068 cards in the game can cause this (Rakdos Joins Up is one).
When Rakdos Joins Up deals noncombat damage:
37 other cards care about it too. These are the ones with the most connections.
life is lost — 3,160 cards in the game can cause this (Rakdos Joins Up is one).
When Rakdos Joins Up makes a player lose life:
46 other cards care about it too. These are the ones with the most connections.
an enchantment is cast — 3,673 cards in the game can cause this (Rakdos Joins Up is one).
When Rakdos Joins Up is cast:
255 other cards care about it too. These are the ones with the most connections.
a nontoken enchantment enters the battlefield — 3,691 cards in the game can cause this (Rakdos Joins Up is one).
an enchantment enters the battlefield — 3,743 cards in the game can cause this (Rakdos Joins Up is one).
When Rakdos Joins Up enters:
71 other cards care about it too. These are the ones with the most connections.
a creature enters the battlefield — 19,800 cards in the game can cause this (Rakdos Joins Up is one).
326 other cards care about it too. These are the ones with the most connections.