rapidash pokemon card Aquapolis Stage 1 Rapidash 027/162 - Temporal Forces

This isnt the deck with Seedborn Muse in it, but you could go that route anyway, making an 8/8 during everyones turn for no mana

As Luck Would Have It What die rolls cause As Luck Would Have It to trigger

Gitrog is a nice stax card that makes your opponent sacrifice a non-token creature every turn or deal with a 6/6 menace

I didn't reflect that much on the name change, but it was recently pointed out to me on this blog that sphere of annihilation was an artifact in D&D made famous by the 1978 module Tomb of Horrors, and it is possible that they changed the name before print to avoid any conflicts regarding intellectual property

Or even more gutting, simply not being able to take than Ugin