destroy it, and if you destroyed a monster, you can make 1 face-up monster you control gain ATK equal to the destroyed monster's original Level/Rank x 300 until the end of the next turn
You can separate them into different decks or by color coding them
Read More: Get the best budget Modern cards from Strixhaven 6 Jokulhaups Red board wipes are semi-rare, and they usually have too many hoops to jump through to be good, or just arent powerful enough
Consumer grade scales arent accurate enough to reliably detect the difference, and even accurate scales can produce false positives due to factors like humidity, surface irregularities, and manufacturing
You might eat a wrath and be overly short on lands going forwards
It remains to be seen whether a Gruul shell can abuse this trick to the same effect as its blue cousins