SDY-026 - Soul Exchange
Its effect deals with +1/+1 counters, which see a lot of use in the format
What if we saw Kaiba keep dueling even into the present
If there is a possibility of being broken, it might be through "Appointer of the Red Lotus" chained to "Super Polymerization" to bring out Earth Golem, or "Appointer" chained to "Red Reboot" into "Ra Sphere Mode," or drawing two copies of "Ra Sphere Mode." However, even if your board is broken, if Phantazm remains in the Pendulum Zone, you can retrieve "Majesty Pegasus" on the following turn and re-summon Ignister Prominence to rebuild your board, and even in a resource war, you can fight semi-permanently as long as Phantazm and Ignister Prominence are not banished
The Four Sovereigns Digimon are also ACE cards, so you can play them easily
This three-mana spell costs just one of each color and can draw you up to three cards, but with a slight down side