Rulings
Because damage remains marked on a creature until it’s removed as the turn ends, nonlethal damage dealt to a Goblin you control may become lethal if Goblin Trashmaster leaves the battlefield during that turn.
(wotc • 2018-07-13)
You can sacrifice Goblin Trashmaster to pay the cost for its own ability.
(wotc • 2018-07-13)
Rulings
Because damage remains marked on a creature until it’s removed as the turn ends, nonlethal damage dealt to a Goblin you control may become lethal if Goblin Trashmaster leaves the battlefield during that turn.
(wotc • 2018-07-13)
You can sacrifice Goblin Trashmaster to pay the cost for its own ability.
(wotc • 2018-07-13)