Kato's Chaos Dagger

If this artifact is equipped to Kato, Equip {1}. Otherwise, Equip {3}.
When equipped creature attacks, roll a d6. Use
the following effect based off the result until the beginning of your next turn.
1-2: Equip creature gains shroud
3-4: Equipped creature gains +3/+0
5-6 Summon 1d8 flumpf creature tokens