To tell the rarity of a card, check the rarity symbol at the bottom: black circle (common), diamond (uncommon cards), star (rare cards)
Special Rarity: FUR (Futuristic Rare)
Flipping it allows you to discard your hand, then draw three cards
Akroan Horse Atla Palani, Nest Tender Basalt Golem Builder's Talent Coral Barrier Daretti, Ingenious Iconoclast Doctor Spectrum Dragon Egg Fire Navy Trebuchet Flamewright Gleaming Barrier Hold the Perimeter Infested Roothold Invisible Woman Invisible Woman, Sue Storm Jungle Patrol Mordor Trebuchet Nesting Dragon Rammas Echor, Ancient Shield Rampart Architect Redrock Sentinel Roc Egg Rouse the Swarm Sentinel Dispatch Sprouting Phytohydra Stone-Giant of High Pass Super-Skrull Teyo, Geometric Tactician Teyo, the Shieldmage Thallid Shell-Dweller The Birth of Meletis The Fantastic Four Thunderheads Ticket Tortoise Tidal Wave Virtual Assistant Wall Crawl Wall Off Wall of Kelp Welcome to
[P][C][C] Leisurely Tackle: 160 damage
And if they don't count, what the heck are these non-Commons doing in the format