Another supernatural power is Haki, [Jp 2] which is an innate ability that grants its users enhanced observation and fighting abilities based on their willpower
The most curious thing is that other weaker gold removal spells see loads more action in the cube than Terminate despite all being gold
On the first turn, you wont have anything to untap, but for the rest of the game, youll untap your lands so you can use them again, and your creatures so that they can attack again or be ready to block
Speaking of spreading, Team Rocket's Golbat and Crobat ex are ideal to spread damage around while evolving, just like the old crobat line, but now, thanks to its attack, you can cycle it back into the deck for a chain of damage
Proliferate in ONE was restricted to single-use triggers (except for Tainted Observer, a few mythics, and the reprinted Thrummingbird), which strikes me as a good start