Mishra's Factory (Mark Justice) [Pro Tour Collector Set] Arena League 2004 Set: Limited Edition Alpha Type:

Set: Limited Edition Alpha Type: Artifact Uncommon Cost: {1} {T}: Add {C}{C}

then repeats this process until a creature card or X cards have been put into their graveyard this way

Tyrant of Jund enters the battlefield

It has "This creature's power and toughness are each equal to the number of experience counters you have

Mishra's Factory (Mark Justice) [Pro Tour Collector Set] Arena League 2004 Set: Limited Edition Alpha Type:Set: Pro Tour Collector Set Type: Land Rarity: Uncommon {T}: Add {C}. {1}: Mishra's Factory becomes a 2 2 Assembly Worker artifact creature until end of turn. It's still a land. {T}: Target Assembly Worker creature gets +1 +1 until end of turn.