Kalar & Jetmir, Prowling Wings

Flying, double strike
Kalar & Jetmir, Prowling Wings attacks each
combat, if able.
Whenever Kalar & Jetmir attacks, you may put a
relic counter on it. If you don't, remove all relic
counters from Kalar & Jetmir. When you do,
Kalar & Jetmir deals X damage to each
opponent, where X is the number of relic
counters that were on Kalar & Jetmir.