Once it hits the field, The Legendary Defender has a simple effect where if it attacks and destroys a DARK Fiend owned (not controlled) by your opponent, you win the duel
This ability can be used offensively, especially when Tree of Perdition's toughness is reduced by -1/-1 counters or the effects of enchantments
The best part is that since youre typically looking for ways to loop artifact cards out of your graveyard, targeting yourself with individual activations is an effective way to find the pieces of the eventual infinite
You can enjoy a bit at a time, with a question for every day or the year, or simply sit and relax whilst learning facts on everything from dinosaurs to astronauts
Your artifacts make it cheaper, and having a bunch of artifact creatures is going to feel really good when you have a +2/+1 boost
What about the temporary and weak Part Water