The card rules stated that you put the creature into play ONLY if you pay the difference in mana cost
Iconic and powerful cards are a natural fit for EDH, and theres been a ton of legendary angel cards printed in MTG along the way and they reach into all five colors
Decimate launches four targeted missiles across the board
But the mana value combined with the equip cost makes it a prohibitively expensive card to use to great effect in the early, or at times even mid game, in the same turn, oftentimes giving an opponent a whole turn cycle to remove your Equipment before you've had the chance to equip it, and restricting your ability to do much else the turn you do so if you are playing it on curve
Since its an enchantment, it typically stays in play more easily than most other nonland stuff, and it gives you a powerful ability to generate the good stuff
Bouncing and blinking Brass's Tunnel-Grinder is great