phyrexian card sleeves mana MTG divider by Celare Phyrexia: Jace Deck Sleeves [100]

their name becomes "Cosplaying Knight Warrior", they become Warrior monsters, change them to Defense Position, otherwise if its a Link Monster change its ATK to 0, also Special Summon this card as a Normal Monster (Warrior/EARTH/Level 5/ATK 2000/DEF 2000) (this card is also still a Trap), then, if your added a card from their Main Deck to their hand you can Special Summon 1 "Cosplayer Token" (Warrior/Tuner/EARTH/Level 3/ATK 0/DEF 0)

OR MAGIC: THE GATHERING CARDS ARE WORTH

They were first printed in the following set, Lorwyn

Sand Scout is similarly intriguing, but unfortunately the mention of Deserts makes the card too specific for most Cubes

As for numbers, there are 75 total Gods, one of which is on the backside of a Battle (Invasion of Theros to be specific)

And it should be consistent with the card's design and not added later