I'm Rubber, You're Glue is a rare Enchantment card from Unglued (UGL), collector number 5. Current market price: $1.06, TCGplayer market prices via Scryfall.
When you speak in non-rhyming sentences, sacrifice this enchantment. Say "I'm rubber, you're glue. Everything bounces off me and sticks to you": Change the target of target spell or ability that targets only you.