As an initiate into Card Magic, you have amassed a collection of spellcards. Spellcards each represent a spell found in the card master spell list and are drawn from your hand when needed. See chapter 10 of the PHB for the general rules of spellcasting and see Appendix A for the card master spell list.

Preparing a Deck and Drawing a Hand

At the end of a long rest you may enchant a number of spellcards equalling your card master level + your charisma modifier. These cards are called your deck and may contain duplicate spellcards. The spellcards you choose to enchant into your deck must come from spell cards you have in your card collection. After a short or long rest, you may draw a hand from your card master’s deck, The Card Master table show the size of your hand at any given level. This hand functions as your spellcasting capability as you can only cast spells you have in your hand at any time. Once a spellcard is used, the card becomes inert and cannot be used again until it has been enchanted into a new deck after a long rest. After subsequent short rests throughout the day, you may return any spellcards from your hand to your deck and redraw a hand. When you cast a spell using card magic, the spell only requires a somatic component, but if the spell has a material component of monetary value you must possess that component when preparing your deck for the day.

For example, if you are a 5th-Level Card Master with a charisma of 16, at the end of a long rest you may enchant a deck of 8 spellcards. You may then draw any two of these cards to use until you take a short rest, making your deck now consist of only 6 spellcards. If you have used the spellcards in your hand already by the time you take a short rest, you must place those aside and at the end of your rest draw a new hand of 2 spellcards, making the deck size now 4. If you did not use your spellcards before taking your short rest you can add those 2 spellcards back into your deck and redraw your hand, making your deck size remain at 6.