edhseer Commander synergy, explained
Legendary Creature — Merfolk Noble
Mana cost: {3}{G}{U}
Vigilance, ward {3}
Whenever you cast a Kraken, Leviathan, Octopus, or Serpent spell from your hand, look at the top X cards of your library, where X is that spell's mana value. You may cast a spell with mana value less than X from among them without paying its mana cost. Put the rest on the bottom of your library in a random order.
triggered —
Causes: cast a spell.
Cares about: a Kraken spell is cast, a Leviathan spell is cast, an Octopus spell is cast, a Serpent spell is cast.
a spell is cast — 47 cards in Kiora's colors can cause this (Kiora is one).
170 other cards care about it too. These are the ones with the most connections.
a Merfolk deals combat damage — 310 cards in Kiora's colors can cause this (Kiora is one).
a Merfolk enters the battlefield — 319 cards in Kiora's colors can cause this (Kiora is one).
When Kiora, Sovereign of the Deep enters:
a creature attacks — 6,391 cards in Kiora's colors can cause this (Kiora is one).
When Kiora, Sovereign of the Deep attacks:
58 other cards care about it too. These are the ones with the most connections.
anything attacks — 6,391 cards in Kiora's colors can cause this (Kiora is one).
When Kiora, Sovereign of the Deep attacks:
13 other cards care about it too. These are the ones with the most connections.
a creature blocks — 6,391 cards in Kiora's colors can cause this (Kiora is one).
When Kiora, Sovereign of the Deep blocks:
2 other cards care about it too. These are the ones with the most connections.
a creature is cast — 6,423 cards in Kiora's colors can cause this (Kiora is one).
When a spell is cast thanks to Kiora, Sovereign of the Deep:
43 other cards care about it too. These are the ones with the most connections.
a nontoken creature enters the battlefield — 6,528 cards in Kiora's colors can cause this (Kiora is one).
When Kiora, Sovereign of the Deep enters:
12 other cards care about it too. These are the ones with the most connections.
a creature enters the battlefield — 7,050 cards in Kiora's colors can cause this (Kiora is one).
When Kiora, Sovereign of the Deep enters:
117 other cards care about it too. These are the ones with the most connections.