2019-07-12
If Drakuseth attacks a planeswalker and that planeswalker is reduced to 0 loyalty from the damage caused by Drakuseth's ability, Drakuseth continues to attack. It can be blocked, and it won't deal any combat damage if it's not blocked.
2019-07-12
You can't choose the same target multiple times to have it be dealt 6, 7, or 10 damage.