The third ability applies only to casting spells
The spell you cast via the triggered ability is cast as part of the resolution of that ability
In older Magic sets, the quality and nature of the art varied wildly
It's far more narrow than Fierce Guardianship, but provides a two-for-one effect almost every time for zero mana down
Secondly, when you attack, you declare which creatures you are attacking with, but you cant attack a specific opponents creature with one of your creatures
Green/Blue in Wilds of Eldraine Limited Fairy Tale : Jack and the Beanstalk Signpost Uncommon : Troyan, Gutsy Explorer Filling the role of Jack and the Beanstalk s lead is a wanderer from Ravnica in Troyan, who made use of the omenpaths to visit Eldraine