This is the card advantage Tribe Elder as opposed to a ramp card
When you cast the spell with Prowl, you look back at your turn to see if you've done what it says - dealt combat damage with a card that shares a type with the card with Prowl (so, probably a Rogue, but maybe a Dinosaur and in occasional corner cases, Goblin, Faerie, or Sphinx) You don't still have to control the Creature that did combat damage, you just have to have met the condition of dealing combat damage with the correctly-typed Creature
Illustrated by Titus Lunter Standard Not Legal Alchemy Not Legal Pioneer Legal Historic Not Legal Modern Legal Brawl Not Legal Legacy Legal Comp
Exile this enchantment at the beginning of the next end step, then you may cast it from exile on a later turn.) Warp (You may cast this card from your hand for its warp cost
It's a pity it's so rare: Pikachu looks even cuter than usual holding an oversized fountain pen
The most expensive Kyurem cards feature some of the best artwork you'll find on any Pokemon card, and even this small space packs plenty of detail