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An Aura put onto the battlefield this way doesn't target anything (so it could be attached to a permanent with shroud, for example), but the Aura's enchant ability restricts what it can be attached to
In addition , its a perfect centerpiece for display or themed decks
This makes it pretty good against Eldrazi, too (minus their "when you cast") triggers
Look at the border style Old cards (pre-2003) often hold higher value Modern borders usually mean lower base value 2
If you have a Sobble in your active spot , try to attach an Energy Card to it, as itll let you use its Keep Calling move , which will let you look for other Sobble, a Drizzile, or an Inteleon