Rapid Hybridization

Pure destruction in blue, the color barred from clean removal, paid for by the most generous compensation any kill spell hands an opponent. The trade is brutal and immediate: one mana, any creature dead with no regeneration clause to dodge, and in exchange the target's controller gets a 3/3 Frog Lizard back. That token is the entire pricing argument. Blue cannot earn unconditional destruction, so it gives the dead thing's owner a body that is often larger and more relevant than what it replaced, which is exactly why the card wants to point at creatures whose text box matters far more than their numbers: a value engine, an enchanted threat, a commander whose abilities you cannot afford to leave on the board. A vanilla 3/3 is no consolation for losing a build-around. It shares its skeleton with Pongify, which swaps the Frog Lizard for a 3/3 Ape but otherwise reads identically; both are green tokens, and both are the design openly admitting that blue's removal arrives with a string attached, the fatty handed to your opponent as the toll blue pays for doing a kill spell's work. Instant speed is what makes the string slack. Holding up one mana to answer a creature mid-combat, or in response to an activated or triggered ability, turns the gift into a rounding error: you have already extracted the value you needed by killing the thing at the right moment, and the 3/3 left behind rarely changes who is winning.