Instead of being dealt damage via poison counters to the player and -1/-1 counters to creatures like infect, toxic deals combat damage normally while also giving a poison counter to the player should it do damage
Duskmourn was her first time as the vision design lead for a premier set, although as you will see in her bio, she has already led the design of numerous other products
At the end, if the creature stayed on the card, it deals damage equal to its toughness to any creatures it touched during the slide
If you need to quickly blast a character out, Double Trouble is a direct-damage action that can ping two at the same time
This means that while we are designing cards, we have the opportunity to see the world that the story and art teams are building
Of course, things work a little differently on the trading floor