You can drop this on turn three, sacrifice a two-drop artifact dork for two cards and two mills, sac it to Goblin Welder to swap for something you just milled or what you sacrificed, and then swap the sacrificed or milled card on turn four for this to keep
Some cards are worth thousands of dollars, and many of them are worth more than $20.00.Thanks Expert Interview References Ashton Wu
The biggest issue with other cards that provide additional draw effects for your opponents is that the player to your left, the player whose turn other additional draw effects would help first, has access to the extra cards first, giving them an advantage over your other opponents
Over in Modern, Aunties Hovel and Warren Instigator both more than doubled in price as people rushed to pick up their pieces for Modern Goblins
Notably, opponents can't try to remove your commander to change how many modes you may choose