Suplex gets its own card as a sorcery in Magic , which lets you do three damage to a creaturepretty basic
Each opponent loses X life, you gain X life, and the topmost creature card in your library perpetually gets +X/+X, where X is the number of counters removed this way
Unfortunately, it was made a rare and as such ended up on the Reserved List (a list of cards made by Wizards that we've promised never to reprint.) What's a designer to do
This time it's an artifact, and there needs to be a creature in play, but you are able to ping your own creatures with this and draw a card each turn - assuming they survive
Equipment attached to a creature doesn't become tapped when that creature becomes tapped, and tapping that Equipment doesn't cause the creature to become tapped
Maybe you want to avoid having to pay the command tax on your commander, or you have something that has an enters-the-battlefield effect you want to trigger again