Impatient Iguana is a rare Creature — Lizard Wizard card from Mystery Booster Playtest Cards 2019 (CMB1), collector number 55. Current market price: $1.17, TCGplayer market prices via Scryfall.
If Impatient Iguana is in your opening hand and you're not the starting player, you may reveal it. If you do, you become the starting player. Haste