Your other board wipes are Hour of Reckoning, Ruinous Ultimatum, and The Nipton Lottery
Youre looking to combine goblin payoffs with cheap disposable artifacts here, so include all the usual goblin lords and cards like Skullclamp, Prized Statue, and Ichor Wellspring
Dragoon's Lance
When he hits the battlefield he has a unique rule that forces one of your opponents to play this sick mind game where they have to choose and sacrifice one of their own creatures, but you can also get into their head and trick them into sacrificing more than they had to! Heggen exclaimed
As for the effect of the card - casting 7 CMC worth of instants isn't hard, so this can often be a 1 mana 4/4 flier that pings two - and if you happen to be in a pillow fort deck that can grant deathtouch to your creatures, that works just fine
If you decide you dont need the coloured mana than you can use the Energy you receive with another of your Energy outlet cards