It's around #14 or 15 on my list and not in the Top 10 proper, but the ability to force someone to discard, and destroy artifacts and critters with one number is a very precise scalpel that destroys what you need, but tends to leave your own stuff alone
Magic: The Gathering features a colorful variety of formats for gameplay, from booster draft Limited to cool constructed formats like Standard, Modern, Legacy, and certainly Commander
Equip only as a sorcery.) Equip (: Attach to target creature you control
You only see it in Commander, or in recent Standard decks thanks to the Lorwyn Eclipsed reprint
Aboshan, Cephalid Emperor is a perfectly fine typal commander
You get a 4/5 flying critter that gives other enchantment creatures flying, and whenever you attack, you get a 1/1 Glimmer enchantment creature token (that also gets flying)