While a planeswalker is in play, its loyalty is equal to the number of loyalty counters on it, and its printed loyalty number is ignored.

当旅法师在场时，其忠诚度等于该旅法师上忠诚度指示物的个数，而牌面印制的忠诚度数值则被忽略。

youdao

You can't play a planeswalker's ability with a negative loyalty cost unless the planeswalker has at least that many loyalty counters on it.

除非旅法师上具有至少等量的忠诚度指示物，否则你不能使用其某个降低忠诚度指示物的异能。

youdao

Gideon, Champion of Justice is priced to play at 4, a traditional sweet spot for planeswalker viability.

FORBES: Gatecrash's Planeswalkers

This also means that Zarek has the ability to put damage and pressure on opposing planeswalker presence as well.

FORBES: Official Dragon's Maze Previews Begin

Similar to Return to Ravnica, Gatecrash features a new version of an old favorite alongside a completely fresh planeswalker persona.

FORBES: Gatecrash's Planeswalkers