Its like a physical-world version of using Layers in Photoshop, but I like the feel of pencil on paper
Several Wizards fit well into Spellslinger decks (like Goblin Electromancer and Murmuring Mystic), and with a high density of cheap spells, they can turn into dangerous threats
Sphinx of the Revelation Im not sure how often the lifegain stuff works in most energy decks, but if you just drop this sphinx in a lifegain deck, itll net you a lot of energy and then can tap to use it to draw loads of cards
So it has added value, but at 4 mana, its one of the most reliable card drawing spells, for no additional mana or costs, youll find in the artifact kingdom
Wizards of the Coast enjoyed a 1/1 Elf that taps for so much, in fact, that they decided to print two identical versions of it with different names