It's as powerful as whatever it can absorb, and if you play your cards right, your opponent may wind up doing themselves in by the end of a match
From co-starring in the hit Pokmon television show for over 25 years to becoming the latest viral plush toy to hit the shelves, Pikachu has been a global sensation since the character first appeared outside of Japan in 1998 with the video games Pokmon Red and Pokmon Blue. And recently, fans from around the world had the chance to own a legendary piece of Pokmon history: a 1998 Pikachu Illustrator trading card
When this card is in your Graveyard, you can banish this card and activate this effect: Special Summon 1 Level 4 or lower LIGHT monster with 1800 ATK from your Deck to the field, then send the top 3 cards of your Deck to the Graveyard
At this point your exact ending board will depend somewhat on what you decide to go for and what the two remaining cards in your hand are (a rank 6 XYZ for instance, like Beatrice, Lady of the Eternal can allow you to extend your combo and potentially get out Balerdroch/Zombie World depending on the two unused cards in your hand)
I graded most of my valuable childhood cards and I only hit 2 Gem Mint 10s (1st Edition Jungle non-holo Snorlax, and 1st Edition Jungle Pikachu) most of the other cards came back 7s, 8s, and a handful of 9s
From Adventures in the Forgotten Realms we have Old Gnawbone, who rewards combat damage to players with that many treasure tokens