For as long as they stay in play, all you need is a sac outlet like Woe Strider to send the cat to the graveyard, which will sacrifice the Food token, drain your opponent when it enters the battlefield, and create a Food token with the little halfling ability
It looks like this: Channel Alpha EX You can find additional information in the title and/or in the description of the product
Finally, consider the price
Matte sleeves often provide a better grip, making them easier to shuffle and handle compared to glossy sleeves
Hyper Rare cards aren't typically valued highly, though Obsidian Flames' relatively low card values make space for this unusual inclusion
Indistinguishable on the back [edit] The main issue to guarantee fair play in a card game is that all cards in the deck must be indistinguishable for any player who does not view the front side (if card sleeves are used, the term 'card' means the sleeve with the card inside)