Titania, Protector of Argoth still puts you up a land and a 5/3
Each Collector Booster contains the following: 15 Magic: The Gathering cards 4 Traditional foil commons From among 81 commons and 10 common two-color lands 3 Traditional foil uncommons From among 100 uncommons 1 Non-foil common or uncommon showcase draconic frame card This can be 1 of 6 commons (54.6%) or 15 uncommons (45.4%)
The nice thing is that you only need to decide how much life to pay as Plague of Vermin resolves, so if Ayara, First of Locthwain dies at instant speed, you can adjust how much life to pay accordingly (I would still suggest pay some, as the rats have value as sac fodder)
9-cost Kaido has to trash one of your cards to activate his effect but will also force opponents to trash a card from their hand, bleeding them out of resources
There are also a relatively small number of cards with text allowing them to supersede this rule
Another piece of the bounce equation is removing troublesome attackers or blockers
