Instant Blocks by Slymask3
This mod adds 11 new 'Instant Blocks' to the game. These blocks could be obtained by crafting, from the creative Instant Blocks tab, or from dungeon chests, village chests, etc. Each block generates a different structure upon right-clicking on the block with an Instant Wand.
Instant Pickup Mod by Howlyhusky
A simple quality of life mod that sets the delay before picking up items to zero.