The extra colorless mana it provides is often the difference between being the threat and reacting to one
Ambrosia Whiteheart Apothecary White Bringer of the White Dawn Circle of Protection: White Elrond of the White Council Flowering of the White Tree Gandalf the White Gandalf, White Rider Gather the White Lotus Knight of the White Orchid Minwu, White Mage Nine-Tail White Fox Order of Whiteclay Order of the White Shield Rosa, Resolute White Mage Rune of Protection: White Sacred White Deer Saruman the White Saruman, the White Hand The Destined White Mage Uglk of the White Hand White Auracite White Dragon White Glove Gourmand White Knight White Lotus Hideout White Lotus Reinforcements White Lotus Tile White Mage's Staff White Mana Battery White Orchid Phantom White Plume Adventurer White Scarab White Shield Crusader White Sun's Twilight White Sun's Zenith White Tiger, Amulet Keeper White Tiger, Ava Ayala White Ward White Widow, Free Agent White Widow, Yelena Belova Whitemane Lion Whiteout Whitesun's Passage Whitewater Naiads
This means that, if the opponent swaps their ex Pokemon for a Basic one to prevent immediate loss, this could serve as a counter
On top of that, Jafar has used his Snake staff in many of his cards, and even turned into a Dreadnought Snake form
