The effect of "Neos Knight" increases its ATK equal to half the ATK of "Junk Gardna" ("Neos Knight": 2500 3200 ATK), and also, it can attack twice per Battle Phase
All you need is a way to buff him up and land a hit, and you're off to the races with an instant army that replenishes itself with each attack, or even grows exponentially True, Shroofus will mostly see play in the 99 of other, multicolored decks, but he can make for a powerful commander all by himself
Maybe you've been told it's great
Thought-Knot Seer and Reality Smasher can deal extra damage, while Hangarback Walker and Matter Reshaper could easily want to die, particularly in response to an opposing exile effect
LLLC G-Max Thunder 250 Weakness: Fighting Resistance: none Retreat: 2
And with the addition of delve tacked onto Ancestral Recall, the number of spells you can cast every turn will be limited only by your mana, as opposed to you potentially running out of cards or flooding