While reducing the opponents security, use the effect of [BT21-001 Gigimon] to digivolve into [BT21-029 Medusamon], using the [End of Attack] effect to place a Petrification Token and further reduce the opponents Security cards
This means every aura you cast turns into two auras on the battlefield - mitigating the sting of being blown out
For example, StitchAbomination is a rare card because while it doesnt have any text, Ruby doesnt normally have higher willpower than their strength
In my humble opinion, Wizards of the Coast is taking the concept too far
Four 52 card decks containing all the cards you need to get started
And oh, Pikachu EX is a Basic card, meaning that you can bring it to the Active Spot right at the outset with no evolution nonsense on the plate