Wayta, Trainer Prodigy's last ability affects only triggered abilities whose trigger conditions refer specifically to damage being dealt, such as the ability granted by Mephidross Vampire or the last ability of Wrathful Raptors
If you are just getting started with MTG, start by playing Pokmon, as this is the basis of MTG and its rules are much easier
I see this working best in Mono-Blue Terror lists, since the deck can have a tough time getting rid of things on a permanent basis
Not only does Ugins Binding depict the planeswalking Dragon using the same process that bound the Eldrazi to Zendikar, but it is also a pretty impressive card
But how does it compare to mechanics that also smooth out draws and let you find what you need: Scry and Explore
Sojourners Companion Sojourner's Companion is a strictly better Myr Enforcer, and it was banned in Pauper to weaken the affinity menace there