Founder's Effigy

When Founder's Effigy enters the battlefield, draw two cards.
At the beginning of your upkeep, if you are prospering, sacrifice Founder's Effigy and draw two cards. (You are prospering if you control an artifact, an enchantment, and a creature.)
"As Fort Aktamun grew and grew, it's humble beginnings were slowly forgotten."
—Ghavi Terrablight