The coin is flipped to decide whether the higher or lower number on the player's card wins (gold = high and red = low)
Cathars' Crusade is an excellent middle-ground between going large and tall with +1/+1 counters, and it really incentivizes numbers
It can lock out Monsters, Spells, Traps, and is flexible in what it wants to stop
Sanctity only needs one other card (either in your hand or in play) to be activated
If you can manage to have this card in your hand, Royal Magical Library on the field, AND Gearfried The Iron Knight on the field, youre able to infinitely recur this card to your hand using the effect of itself and Gearfried The Iron Knight
QCSE Quarter Century Secret Rare Chamber Dragonmaid X DARK Level 4 [ DragonEffect ] ATK 500 DEF 1800 If this card is Normal or Special Summoned: You can add 1 "Dragonmaid" Spell/Trap from your Deck to your hand