Welsh Balance Breaker

0: Put X loyalty counters Welsh Balance Breaker where X is the number of loyalty counters on it
-X: Remove X loyalty counters from Welsh , then put X +1/+1 counters on a creature you control or X loyalty counters on any planeswalker
-10: Put a 7/7 legendary creature token onto the battlefield called Welsh Dragon Balance Breaker with "flying, indestructible, annihilator 2