Mentor creatures tend to either top off at two power (making you have to work for Mentor to ever trigger) or have basically no toughness
Of course, there are a few ways to speed up the process, like using proliferate or cards like Coretapper that allow you to add more counters to Darksteel Reactor
Creature Artifact - Construct Tutors (CTRL to add secondary) Win Cons Win Cons (CTRL to add secondary) Maybeboard Bitterthorn, Nissa's Animus Living weapon (When this Equipment enters, create a 0/0 black Phyrexian Germ creature token, then attach this to it.) Equipped creature gets +1/+1
Authentic Pokmon cards that use holographic foiling have a distinct texture that you can feel when you touch the card
Additionally, it offers a unique feature called suggested swaps
Originally, listings on TCGplayer for this card were as low as $16, which seems insane given the cards strength