Color indicators apply in all zones, not just the battlefield
Catch them at the bottom
Except this particular anything #7: Lathnu Hellion A three-mana 4/4 that can attack twice before getting sacrificed is an incredible amount of damage to have pushed through by turn 4, and in multiples the Hellion has closed out games
This Bloomburrow commander has incredible snowball potentialspending 8 mana in a single turn means you have, well, lots of mana, so you should be able to cast both spells exiled off Muerra, which increases the odds of getting another two cards to cast the following turn, and so on
We have a multitude of effects that increase our creatures' power and toughness, increasing our deck's aggressiveness, such as Chief of the FoundryChief of the Foundry, Steel OverseerSteel Overseer, and the above mentioned Master of EtheriumMaster of Etherium, each helping to sculpt the ideal environment for the Urza Constructs to frolic and cause mayhem