One thing we have to worry about is that we can return to the lower hyperstage with an Engineered Explosives in our hand. So, if we can start the megastage transtion with Explosives on the battlefield (after being used), we could theoretically then go to the higher hyperstage, leave the higher hyperstage with the Explosives in our hand, then return to the lower hyperstage, allowing us to play the Explosives and sacrifice it to get another Razorfin Abolisher token.
1. Spend one M to put x PB on the stack.
2*. Resolve a PB to put x BM on the stack.
3. Resolve a PB to increase x (and unlock flash).
4. Resolve a PB then a BM immediately to generate one M.
5. Use one BC from the top of the stack to gain x M.
6a. Resolve R to unlock EE and destroy all M and lock flash
6b. Resolve a Mob to put R, and/or x BC on the stack.
6c*. Spend a RFA to put x Mob on the stack
6d*. lock EE to put gain one RFA
* requires flash
We start with Razorfin Abolisher in our hand. We sacrifice the Exposives to destroy the Jade Bearer. We get triggers from Mimic Vat and Verdant Succession. Resolve the Mimic Vat first, and imprint the Jade Bearer. Next, play Razorfin Abolisher and counter it, getting BM triggers, and returning it to the battlefield. We now tap the Mimic Vat, getting a Jade Bearer token. We target the Razorfin Abolisher and destroy it, imprinting it on a Mimic Vat. We create a token copy, then return it to the graveyard, returning Jade Bearer to the library at the same time. We use a Bloodbond March trigger to return the Abolisher to the battlefield. Then, we resolve the Verdant Succession trigger for Jade Bearer to return it to the battlefield. The Jade Bearer triggers, and we return the Abolisher to our hand.
702.43a Sunburst is a static ability that functions as an object is entering the battlefield from the
stack. “Sunburst” means “If this object is entering the battlefield from the stack as a creature, it
enters the battlefield with a +1/+1 counter on it for each color of mana spent to cast it. If this
object is entering the battlefield from the stack and isn’t entering the battlefield as a creature, it
enters the battlefield with a charge counter on it for each color of mana spent to cast it.”
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We hext exile the Perpetual Timepience, and put Genesis Wave and Black Lotus back into the library. We cycle the Rebuild to draw Genesis Wave, and we can cast Genesis Wave with X = 7. We get more than 10^^^^25 TYS triggers.