edhseer Commander synergy, explained
Creature — Human Barbarian
Mana cost: {2}{R}{R}
Haste
Echo {2}{R}{R}
When this creature enters, it deals 3 damage to target player or planeswalker.
triggered — deals 3 damage
Causes: anything deals noncombat damage, a planeswalker deals noncombat damage.
Cares about: nothing.
a Human creature in a graveyard — 142 cards in the game can cause this (Keldon Champion is one).
When Keldon Champion is in the graveyard:
1 other card cares about it too. These are the ones with the most connections.
a Human creature dies — 143 cards in the game can cause this (Keldon Champion is one).
When Keldon Champion is put into a graveyard from the battlefield:
a nontoken Human is put into a graveyard from the battlefield — 150 cards in the game can cause this (Keldon Champion is one).
a Human is put into a graveyard from the battlefield — 151 cards in the game can cause this (Keldon Champion is one).
a nontoken creature is sacrificed — 1,714 cards in the game can cause this (Keldon Champion is one).
When you sacrifice Keldon Champion:
a creature is sacrificed — 1,741 cards in the game can cause this (Keldon Champion is one).
When you sacrifice Keldon Champion:
19 other cards care about it too. These are the ones with the most connections.
a creature in a graveyard — 2,769 cards in the game can cause this (Keldon Champion is one).
When Keldon Champion is in the graveyard:
799 other cards care about it too. These are the ones with the most connections.
a nontoken creature dies — 2,769 cards in the game can cause this (Keldon Champion is one).
When Keldon Champion dies:
60 other cards care about it too. These are the ones with the most connections.
a creature dies — 2,830 cards in the game can cause this (Keldon Champion is one).
When Keldon Champion dies:
454 other cards care about it too. These are the ones with the most connections.
a creature leaves the battlefield — 4,238 cards in the game can cause this (Keldon Champion is one).
34 other cards care about it too. These are the ones with the most connections.
a card in a graveyard — 7,589 cards in the game can cause this (Keldon Champion is one).
440 other cards care about it too. These are the ones with the most connections.
anything attacks — 17,934 cards in the game can cause this (Keldon Champion is one).
When Keldon Champion attacks:
145 other cards care about it too. These are the ones with the most connections.
a creature attacks — 17,934 cards in the game can cause this (Keldon Champion is one).
220 other cards care about it too. These are the ones with the most connections.
a creature is cast — 18,010 cards in the game can cause this (Keldon Champion is one).
90 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 (Keldon Champion is one).
When Keldon Champion enters:
452 other cards care about it too. These are the ones with the most connections.