The Resolute Archangel trigger will do nothing, because setting the amount of life to a specific value also leads to life changes that are forbidden
The -12 of Jace the Mind Sculptor, like many Planeswalker ultimates, functionally wins its controller the game if its high loyalty cost can be paid
My top three are Galadriels Dismissal, Legolass Quick Reflexes and Call Forth the Tempest
Collector Ouphe is also an option against Paradoxical Oath, but Null Rod is usually the option for the deck, as you dont fight on the normal damage-axis, creating the oh-so-common non-synergy between Infect and non-Infect damage
The 3 tiers of graveyard hate (light, medium, hard) Think of this like seatbelts
Despite needing to learn the above terminology, getting started with Lorcana is so quick and straightforward that it feels like a trick