Dynamic Transitions & Revealers by Motionkof on CGguy
https://elements.envato.com/dynamic-transitions-revealers-VB8A5FU
Free 
Smooth Shapes & Revealers by Motionkof on CGguy
https://elements.envato.com/smooth-shapes-revealers-VZ59NMV
Free 
Drag-n-Dropper Motion Pack (Transitions, Revealers, Lower Thirds, Backgrounds and More) by IVavryniuk on CGguy
https://elements.envato.com/drag-n-dropper-motion-pack-transitions-revealers-l-VRLWGAK
Free