It's an excellent source of card advantage in your manabase if you're playing at most one, maybe two colors, and it can fill in gaps for colors that don't have unmitigated access to card draw
Advanced Search Sets Random Syntax Showing 1-5 of 5 cards: "set name: THS, rarity: C, rules text: card, draw, type: Enchantment" Display: Card Small Sorted By: Card Name Ascending Showing 1-5 of 5 cards: "set name: THS, rarity: C, rules text: card, draw, type: Enchantment" Chosen by Heliod Dragon Mantle Fate Foretold Nylea's Presence Scourgemark Advanced Search English
For more information on where to find them, see Mark Rosewater's article on Booster Fun
and, of course, Johnny, Combo Player (and his shirt has the art for Stifle) Stop That contains Bad Ass Super Secret Tech contains the Power Nine (Ancestral Recall, Black Lotus, Mox Emerald, Mox Jet, Mox Pearl, Mox Ruby, Mox Sapphire, Time Walk, and Timetwister) and Super Secret Tech 7
If youve seen the highest-priced (regular run) Pokmon TCG cards, youll likely notice theyre all described as shadowless. Thats because the first two printing runs of the Base Set didnt have drop shadows for the artwork window