ToggleExternalEditorPlugin for Godot
Goes over what the ToggleExternalEditorPlugin does and how it is implemented - for educational purposes
The Blog
If you can't find a post you've seen in the past - check the archive.
Tweening position and color for glow effect in Godot
This post covers the use of tweening position to deal cards and tweening modulation to create a "selected card" effect.
Card flipping in Godot
Making flippable cards in Godot