While arguments could be made that this is the controversial practice of speculative work, where hopeful workers compete for the chance of being paid, it's important to note that the cards are Promo cards with limited print runs rather than included into full, mass-produced sets
To forage, you must either sacrifice a Food token or exile three cards from your graveyard, as seen below: Special Showcase Treatments Bloomburrow has its share of showcase variants
The ability to draw cards in a game where card drawing is both powerful and rather rare is of paramount importance
When it entirely mops up an Ophiomancer it is outstanding
When it's special summoned, you can add any Sky Striker Spell from your Graveyard to your hand
The point is, these attacks don't mess around