While I hate the idea that some really sweet, old cards will essentially be lost to the sands of time if this is a popular solution, this might be unavoidable in our current environment, at least in some cases
In Charizard Stars case, its Delta typing was Dark a popular alternate type for Zard that has come full circle thanks to its dominance in the current Standard metagame after 2024s Paldean Fates Charizard ex printing
This includes the commonly played mana rocks that tap for mana as the act of using their abilities are activated abilities
To double a creature's power, that creature gets +X/+0, where X is that creature's power as Double Trouble resolves
We ignored this for several weeks, and when I finally checked it out, we had lots of free items waiting
Use these to your advantage whenever you can