Then the two-cost one above will discard one to draw two or sac an artifact instead from Treasures to fuel for Goblin Welder above
What Card Types Do Summons Have in Other Zones
After all, I already covered all of the D&D references that have been sprinkled throughout MTG since Legends
5 Shadow of the Enemy Yes, Shadow of the Enemy requires a lot of mana to make work, but there are plenty of ways to get a lot of mana even in Tales of Middle-earth (Smaug would like to give you 14 treasure tokens, just as an example)
You'll find people Cubing at almost any large Magic event, as well as at casual tables in your local game shop
Its downside is that it cannot answer expensive things well, and you need to be multi-coloured to take advantage of it, but in both Modern and Legacy that isnt an issue as expensive cards arent played as much and most decks are naturally multi-coloured due to the manabases available in these formats