Build a Base RNG rarities

The full tier ladder in order, using the colours the game itself uses. Tiers we have seen named are marked as such; the rest are listed by colour only rather than guessed at.

Basic#9e9e9eObservedWood Block card
- Wood Block1 in 3
- Wooden Spear Barrel1 in 4
Rare#2a9d2eObservedBasic Cannon card
Refined#008ba0ObservedRusty Block card + Crafting slot
- Catapult1 in 100
- Rusty Block1 in 150
Epic#6e11a8ObservedRusty Spear Barrel card + Crafting slot
Legendary#ab8000ObservedWooden Tesla card + Crafting slot
Mythic#92002eObservedIndex locked-slot detail panel
Glorious#866b3dObservedWitch Brew card
- Witch Brew
Primordial#3d0070ObservedCrafting ingredient slot
- Space Block
Atomic#117100ObservedHyper Turret card (base, unmutated)
- Hyper Turret
Divine#3d439dObservedShiny Hyper Turret / Galaxy Mortar cards
Lunatic#985693ObservedGalaxy Minigun card
- Galaxy Minigun
- Punk Ice Cannon
Tier 12#a45c2aNot yet observed
Colour taken from the game's own wiki markup. The in-game label for this tier has not been seen yet, so it is listed by position rather than guessed at.
No items confirmed at this tier yet.