Special Summon from your Extra Deck, 1 "K9" Xyz Monster with a different name, by using that monster you control (this is treated as an Xyz Summon, transfer its materials to the Summoned monster), then you can destroy 1 card your opponent controls
Tournament organizers often provide match result slips, but having your own notepad helps with detailed game tracking
If creatures aren't dying in large enough quantities to make this appealing, you can just cast it to draw a new card
Flexible and powerful, I have only once used it to make an opponent draw a card in a game of EDH, but it was on their end step and it made them lose if that piques your curiosity
Comparing the Two On a superficial level, there are some obvious differences between Celes and Terra: Celes costs 4 rather than 3