edhseer Commander synergy, explained
Legendary Creature — Elf Scout
Mana cost: {2}{G}
Whenever a land you control enters, add one mana of any color. Then if this is the second time this ability has resolved this turn, reveal cards from the top of your library until you reveal an Elf or Elemental card. Put that card into your hand and the rest on the bottom of your library in a random order.
triggered — adds 1 mana
triggered — searches a library
Causes: nothing.
Cares about: a land enters the battlefield.
an Elf attacks — 422 cards in Nissa's colors can cause this (Nissa is one).
When Nissa, Resurgent Animist attacks:
a nontoken Elf enters the battlefield — 425 cards in Nissa's colors can cause this (Nissa is one).
an Elf enters the battlefield — 440 cards in Nissa's colors can cause this (Nissa is one).
When Nissa, Resurgent Animist enters:
put a land onto the battlefield — 669 cards in Nissa's colors can cause this.
659 other cards cause it too. These are the ones with the most connections.
a creature attacks — 3,620 cards in Nissa's colors can cause this (Nissa is one).
When Nissa, Resurgent Animist attacks:
40 other cards care about it too. These are the ones with the most connections.
anything attacks — 3,620 cards in Nissa's colors can cause this (Nissa is one).
When Nissa, Resurgent Animist attacks:
8 other cards care about it too. These are the ones with the most connections.
a creature blocks — 3,620 cards in Nissa's colors can cause this (Nissa is one).
When Nissa, Resurgent Animist blocks:
1 other card cares about it too. These are the ones with the most connections.
a creature is cast — 3,640 cards in Nissa's colors can cause this (Nissa is one).
When Nissa, Resurgent Animist is cast:
29 other cards care about it too. These are the ones with the most connections.
a nontoken creature enters the battlefield — 3,710 cards in Nissa's colors can cause this (Nissa is one).
When Nissa, Resurgent Animist enters:
2 other cards care about it too. These are the ones with the most connections.
a creature enters the battlefield — 4,064 cards in Nissa's colors can cause this (Nissa is one).
When Nissa, Resurgent Animist enters:
77 other cards care about it too. These are the ones with the most connections.