The majestic Slifer the Sky Dragon can fly into your Decks along with other items featuring the crimson-winged God
If that battle became an attacking creature in some way, it would be removed from combat
All members of the archetype have Levels/Ranks consisting of multiples of 3, at either 3, 6, or 9, and the Main Deck members have effects that allows them to Special Summon themselves from the hand or GY
The expert recommendation here is to ensure your decks Energy count aligns with the attack costs of your Pokmon
While the card offers a unique effect, its cost of sending a monster from the Extra Deck to the GY and its limitation to specific monster types may make it less versatile than other removal options like Forbidden Droplet or Dark Ruler No More, which can impact a wider variety of monsters and effects
Ultra Pro Graded Card Sleeves (100ct) Ultra-clear, archival-grade sleeve ideal for PSA, Beckett, and 1/4" screwdowns