Overwhelming Encounter [Commander Legends: Battle for Baldur's Gate]

Creatures you control gain vigilance and trample until end of turn. Roll a d20.

1-9 | Creatures you control get +2/+2 until end of turn.

10-19 | Put two +1/+1 counters on each creature you control.

20 | Put four +1/+1 counters on each creature you control.