Orisa, Defender of Numbani

At the beginning of each combat, put a javelin
counter on Orisa, Defender of Numbani.
Remove a javelin counter from Orisa, Defender
of Numbani: Choose one —
• Tap target creature.
• Prevent the next source of damage that would
be dealt to target creature or player this turn.
• All attacking creatures target opponent controls
get -1/-2 until end of turn.