Arena (Book Promo) [HarperPrism Book Promos] Standard where X is the number

where X is the number of times the letter of your choice appears in that creature's name

Set: Classic Sixth Edition Type: Creature — Bird Rarity: Rare Cost: {G} Flying

Set: Alpha Edition Type: Basic Land — Mountain Rarity: Common ({T}: Add {R}

"I will flay the skin from your flesh and the flesh from your bones and scrape your bones dry

a legendary 4/4 green Elemental creature token

Arena (Book Promo) [HarperPrism Book Promos] Standard where X is the numberSet: HarperPrism Book Promos Type: Land Rarity: Rare {3}, {T}: Tap target creature you control and target creature of an opponent's choice they control. Those creatures fight each other. (Each deals damage equal to its power to the other.)