A Voracious Coin

Haste
If A Voracious Coin deals combat damage to a player, put a copy of this creature onto the battlefield under your control. You may only put one copy of A Voracious Coin on the battlefield each turn.
All escaped instances of SCP-588 are believed to have been retrieved and destroyed, but any Site-19 staff members finding loose change in unlikely places are to report to an on-site security officer immediately.