- If I use Shadow Rider Calyrex VMAX's "Underworld Door" Ability, do I have to draw 2 cards?
- Yes, it is not optional (it does not say "you may"). You must draw 2 cards if you are able to; you can only draw a single card if it's the last card in your deck.
Source:
Chilling Reign FAQ; TPCi Rules Team (2021-06-17)
Relevant cards
Note: All applicable cards may not be listed below.
SWSH6_75