Slither is Strong... It's The Slickest! The Smoothest! & The Sharpest effect of its kind.

Read the description several times... It Happens Exactly as Written.

4 cards are removed from a regular deck. 2 Kings are given to the spectator. Magician holds two 9's. The two 9's VISUALLY change into 2 Kings. The spectator looks in their hands, THEY ARE NOW HOLDING 2 ACES!

Use Slither to Perform Below with Ease:
Color Changes
Transpositions
Switches
Sand-Wich effects