4 Oct 2019
If lethal damage is dealt to one of Garruk's Wolf tokens at the same time that Garruk's loyalty is brought to 0 or less, Garruk is put into your graveyard before the Wolf's triggered ability can save him.
4 Oct 2019
If the target creature is an illegal target by the time Garruk's second ability tries to resolve, the ability won't resolve. You won't draw a card. If the target is legal but not destroyed (most likely because it has indestructible), you will still draw.