edhseer Commander synergy, explained
Creature — Goblin Zombie
Mana cost: {1}{R}
Whenever this creature deals combat damage to a player, if you control a Swamp, you may have that player discard a card.
triggered —
Causes: discard a card.
Cares about: nothing.
a Goblin attacks — 567 cards in the game can cause this (Slavering Nulls is one).
When Slavering Nulls attacks:
a Goblin deals combat damage — 567 cards in the game can cause this (Slavering Nulls is one).
When Slavering Nulls deals combat damage:
a Goblin enters the battlefield — 622 cards in the game can cause this (Slavering Nulls is one).
When Slavering Nulls enters:
a Zombie deals combat damage — 657 cards in the game can cause this (Slavering Nulls is one).
a Zombie attacks — 657 cards in the game can cause this (Slavering Nulls is one).
a nontoken Zombie enters the battlefield — 661 cards in the game can cause this (Slavering Nulls is one).
a Zombie enters the battlefield — 795 cards in the game can cause this (Slavering Nulls is one).
When Slavering Nulls enters:
a card is discarded — 2,042 cards in the game can cause this (Slavering Nulls is one).
When a permanent makes a player discard a card thanks to Slavering Nulls:
51 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 (Slavering Nulls is one).
434 other cards care about it too. These are the ones with the most connections.
anything goes to a graveyard — 7,589 cards in the game can cause this (Slavering Nulls is one).
When a card hits the graveyard thanks to Slavering Nulls:
5 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 (Slavering Nulls is one).
When Slavering Nulls attacks:
121 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 (Slavering Nulls is one).
When Slavering Nulls attacks:
197 other cards care about it too. These are the ones with the most connections.
a nontoken creature enters the battlefield — 18,448 cards in the game can cause this (Slavering Nulls is one).
32 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 (Slavering Nulls is one).
When Slavering Nulls enters:
354 other cards care about it too. These are the ones with the most connections.
anything enters the battlefield — 26,499 cards in the game can cause this (Slavering Nulls is one).
59 other cards care about it too. These are the ones with the most connections.