Just so you know, these multipliers are NOT confirmed by developers and could be slightly incorrect.
YEET EVENT NOTE: It is not confirmed if boosts affect Yeet Event chances. It may only be affected by Yeet Upgrades.
Mythical Hunter Gamepass: x15 Mythic Luck (only applies to mythicals)
Lucky Gamepass: x2.5 Luck (applies to: rare, epic, legendary, mythical)
Super Lucky Boost: x3 Luck (applies to: rare, epic, legendary, mythical)
Ultra Lucky Boost: x6 Luck (applies to: rare, epic, legendary, mythical)
Server Super Lucky Boost: x3 Luck, stacks with Super Lucky Boosts.
Banana Fruit Multipliers: x1.07 per fruit