With the right cantrips and mana rocks, this can result in a must-answer board right away, or an instant win with a Concordant Crossroads in play
Alternatively, if your Fossil Card is not knocked out, you can discard it and switch your current Pokemon back in immediately
Yes, we'll need to exile them afterwards, but maybe we need a boardwipe like Damnation or a removal spell like Murder
The effect reads, If this card is sent from the field to the GY: Add 1 monster with 1500 or less ATK from your Deck to your hand If Sangan (as a material) is detached from an XYZ monster and sent to the graveyard, then its effect wont activate since it was technically not on the field before going to the GY
23/102 Arcanine
In the case of having too many low-cost cards, youll quickly run out of cards to play