When referring to specific cards, this guide makes use of the standard Set Abbreviations
Effect : If we do pay the 1-mana, each opponent loses a life, and we gain life equal to the total life lost
Counter Gain, 1 Karate Belt 1 This was another topic of deliberation as a 2nd Counter Gain seemed better in most scenarios, especially to utilize the Blacephalon CEC and GuzzNag- GX , but the Karate Belt allowed us to use GG End- GX on the second turn if a scary enough threat emerged and effectively served the same purpose in any matchup that didnt require the two tech attackers
In general, I would look at these two factors when looking to include cards not of your tribe's creature type: Is this creature so strong that it, on its own, is generally stronger than my tribal creatures when they are receiving bonuses and/or empowering my other cards
With this rule change in mind, we have to ask: How strong are the spacecraft