edhseer Commander synergy, explained
Instant
Mana cost: {U}
Target creature gets -4/-0 until end of turn. If you control a Fish, Octopus, Otter, Seal, Serpent, or Whale, draw a card.
on-cast — shrinks a creature by -4/-0
on-cast — draws you 1 card
Causes: draw a card.
Cares about: nothing.
a card is drawn — 3,815 cards in the game can cause this (Unagi's Spray is one).
When Unagi's Spray makes a player draw a card:
57 other cards care about it too. These are the ones with the most connections.
an instant is cast — 3,931 cards in the game can cause this (Unagi's Spray is one).
When Unagi's Spray is cast:
427 other cards care about it too. These are the ones with the most connections.
anything is cast — 31,128 cards in the game can cause this (Unagi's Spray is one).
When Unagi's Spray is cast:
5 other cards care about it too. These are the ones with the most connections.