Vanilla Plus Expansion 1.14.4

I'm starting a Vanilla Plus mod for 1.14.4 Minecraft. Please put your ideas down below in the comments.

STUFF SO FAR:

+Basalt Brick/Cracked/Chiseled/Wall

+Granite Brick/Cracked/Chiseled/Wall

+Andisite Brick/Cracked/Chiseled/Wall

+Diorite Brick/Cracked/Chiseled/Wall

Diamond Path (gives speed)

Gold Path (gives speed)

Spruce Bush

Oak Bush

Birch Bush

Corrupt Wood

Stripped Corrupt Wood

Corrupt Planks

Corrupt Stairs

Lifter (gives levitation and slow falling for a minimal amount of time when walked on)    Recipe: S= 
shulker shell, R=
redstone, P= piston, L= levitation potion.

S L S

R P R

S L S

Iced Magma (gives slowness when walked on)