Ruthless Radrat The squad ability is a powerful one, allowing you to create more copies of the creature
Then you can replay them with the mana from an Ashnod's Altar making two rather than Viscera Seer and a two-drop like Myr Sire
The Verdict Eldrazi Unbound could have done with a different deck name, since it set the expectation of a fully-focused Eldrazi precon but only half committed to the theme
If you dont want to sacrifice your own land, I cannot recommend the card Cleansing Wildfire enough
It is a return to a classic Magic plane that sees a realm based on feudal Japan evolve into a cyberpunk city where magic and technology coexist, albeit not peacefully
If you build an entire deck of one or the other, you can control your draws, fire off nasty spells, or get whatever you need