Some recent Sagas have gone on to bigger and better existences as enchantment creatures, but for most Sagas, the story starts at chapter one and advances one chapter per turn until the Saga is sacrificed
Adding these cards to your deck is a surefire way to gain an edge over your opponent, letting you play cards a few turns early while they try and set up their own strategies
Would you use another Teysa
Then once a foe has two dorks online to block, you can equip/reconfigure for four mana and then that dork becomes a 5/5 with menace which is likely to win more battles
Firkraag, Cunning Instigator Firkraag, Cunning Instigator encourages a unique style of gameplay where you want to force your opponents to attack one another with goad effects
If the target creature is an illegal target as Nibelheim Aflame tries to resolve, it won't resolve and none of its effects will happen