Spark Master, Timeret

0: Enter the battlefield With X extra Loyalty and Energy counters.
-1: Make a gold 4/2 Spark token with flying, pay X energy counters and create X more gold 4/2 Spark tokens with flying.
-6: Give all creatures you control gain double strike, vigilance, and plainswalk until end of turn. Pay X energy and place that many +1/+1 counters.