This clever loop turns a humble 1-mana pirate into an endless engine of destruction by exploiting Enduring Renewal's replacement and recursion effects. When you sacrifice Greedy Freebooter to Goblin Bombardment, Enduring Renewal steps in to immediately bounce the creature right back to your hand instead of letting it rest in the graveyard. Meanwhile, Greedy Freebooter's own death trigger rewards you with a Treasure token, which you can then crack for the mana needed to recast the pirate and repeat the entire cycle.