Name:Tetzin, Gnome Champion
ManaCost:U R W
Types:Legendary Artifact Creature Gnome
PT:2/2
T:Mode$ ChangesZone | Origin$ Any | Destination$ Battlefield | ValidCard$ Card.Self,Artifact.Other+DoubleFaced+YouCtrl | Execute$ TrigMill | TriggerDescription$ Whenever NICKNAME or another double-faced artifact you control enters, mill three cards. You may put an artifact card from among them into your hand.
SVar:TrigMill:DB$ Mill | NumCards$ 3 | RememberMilled$ True | SubAbility$ DBChangeZone
SVar:DBChangeZone:DB$ ChangeZone | Hidden$ True | Origin$ Graveyard,Exile | Destination$ Hand | ChangeType$ Artifact.IsRemembered | SelectPrompt$ You may put an artifact card from among them into your hand | SubAbility$ DBCleanup
SVar:DBCleanup:DB$ Cleanup | ClearRemembered$ True
K:Craft:4 ExileCtrlOrGrave<6/Artifact.Other>
DeckHints:Ability$Discard|Mill|Sacrifice
DeckHas:Ability$Mill|Graveyard|Token
AlternateMode:DoubleFaced
Oracle:Whenever Tetzin or another double-faced artifact you control enters, mill three cards. You may put an artifact card from among them into your hand.\nCraft 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 under its owner's control.)

ALTERNATE

Name:The Golden-Gear Colossus
ManaCost:no cost
Colors:white,blue,red
Types:Legendary Artifact Creature Gnome
PT:6/6
K:Vigilance
K:Trample
T:Mode$ ChangesZone | Origin$ Any | Destination$ Battlefield | ValidCard$ Card.Self | Execute$ TrigTransform | TriggerDescription$ Whenever CARDNAME enters or attacks, transform up to one other target double-faced artifact you control. Create two 1/1 colorless Gnome artifact creature tokens.
T:Mode$ Attacks | ValidCard$ Card.Self | Execute$ TrigTransform | Secondary$ True | TriggerDescription$ Whenever CARDNAME enters or attacks, transform up to one other target double-faced artifact you control. Create two 1/1 colorless Gnome artifact creature tokens.
SVar:TrigTransform:DB$ SetState | TargetMin$ 0 | TargetMax$ 1 | ValidTgts$ Artifact.Other+DoubleFaced+YouCtrl | TgtPrompt$ Select up to one other target double-faced artifact you control | Mode$ Transform | SubAbility$ DBToken
SVar:DBToken:DB$ Token | TokenAmount$ 2 | TokenScript$ c_1_1_a_gnome
Oracle:Vigilance, trample\nWhenever The Golden-Gear Colossus enters or attacks, transform up to one other target double-faced artifact you control. Create two 1/1 colorless Gnome artifact creature tokens.
