The Fisher

When The Fisher enters, create two Bait tokens.

{1}{b}, Sacrifice a creature: Create X Bait tokens,
where X is that creature's toughness.

{1}{g}{u},{t}, Sacrifice X Bait tokens: Reveal the top
X cards of your library. You may put a Fish,
Kraken, Leviathan, Octopus, Serpent, or Whale
revealed this way with mana value X or less onto the
battlefield. Put the rest on the bottom of your library
in a random order.