So every other plan is basically on stand-by until you acquire the Initiative and it is not enough to kill the creature that introduced the Initiative
While you control another "Number" Xyz Monster, this card cannot be destroyed by battle or card effects
Unfortunately, cards like Back to Nature or Farewell exist, and to be stronger against those, youd need more instant speed interaction, counterspells, or cards like Teferi's Protection
For the cost of a [c]Storm Crow[/c], you get a 3/3 flying prowess creature, and you scry 2
We even have obscure sets like the Japanese Vending Machine set
This bundle which costs $22.99 / 18.49 includes an extra 5 Pok Gold and a Shiny Mewtwo coin, playmat and card sleeve, a Shiny Radiance frame and a Shiny Radiance cover