draw cards gain life mtg Rules Text: Whenever you a card, 46 Gain Life, Draw Cards Deck

To get around this restriction, its a good idea to play backup cards that are functionally similar to your win condition

Painters Servant The inclusion of Painters Servant in the Special Guests slot is a huge win for paper Magic purists

The prices of these cards may fluctuate over time and do not include serialized cards, which are rarer and harder to track

As such, unless Wizards announces that Secret Lairs will always come with a valuable bonus card, it's probably best to not expect any extra value and get a happy surprise if your drop happens comes with a bonus card on the level of Liliana, Teferi, or Jace

Mutate:Cast a spell for its mutate cost, then put it over on under a target non-Human creature you own

For your troubles, this card also forces players to lose life at the beginning of their upkeep, furthering this cards efforts of ending the game ASAP