Tetzin, Gnome Champion // The Golden-Gear Colossus [The Lost Caverns of Ixalan Commander] Cat Demon I shall kill him a

I shall kill him a hundred times a day

Other blue creatures you control get +1/+1

I think Urza may have been more of a father to his creations than he ever was to his own son

Then play passes to the next player

and "At the beginning of the end step

Tetzin, Gnome Champion // The Golden-Gear Colossus [The Lost Caverns of Ixalan Commander] Cat Demon I shall kill him aSet: The Lost Caverns of Ixalan Commander Type: Legendary Artifact Creature Gnome Rarity: Rare Cost: {U}{R}{W} Whenever Tetzin or another double faced artifact enters the battlefield under your control, mill three cards. You may put an artifact card from among them into your hand. Craft with six artifacts 4 (4, Exile this artifact, Exile the six from among other permanents you control and or cards from your graveyard: Return this card transformed