After: Virtual Booster

This booster was generated with modern collation since the cardset contains mythics: 1 rare / mythic, 3 uncommons, 10 commons, 1 basic land.
You could alternatively have 15 random cards regardless of rarity.

Rominim, Sole Survivor M Legendary Creature – Human Indestructible, lifelink Whenever another creature you control dies, put a loyalty counter on Rominim, Sole Survivor. : Transform Rominim. Activate this ability only if he has three or more loyalty counters on him. 1/2 Rominim, Beyond the Stars M Planeswalker – Rominim +1 Target player exiles a card from their hand. -2 Return target permanent card from your graveyard to your hand. You gain life equal to its converted mana cost. -7 Exile up to six nonland permanents target player controls. Then, search that player's library for any number of cards with the same name as a card exiled this way, and exile those cards from that player's library.	Dusty Basin U Land : Add to your mana pool. Develop — : Transform Dusty Basin. Activate this ability only if you've drawn two or more cards this turn. Develop only as a sorcery. Thermal Vent U Land : Add or to your mana pool. , : Draw a card, then discard a card.	Chasm Lurker U Creature – Cephalid Horror Hexproof Whenever Chasm Lurker blocks or becomes blocked by a nonblue, nonblack creature, destroy that creature. Mana fluxuations have created horryifing mutations among much of the populace. Shunned by what little society is left, some are eager for revenge. 3/4	Card48372 U Creature – Spirit Whenever you cast an enchantment spell, put a +1/+1 counter on each creature you control. When ~ dies, you may return target enchantment card from your graveyard to the battlefield. 3/3	No more commons
No more commons	No more commons	No more commons	No more commons	No more commons
No more commons	No more commons	No more commons	No more commons	Island B Basic Land – Island

Rominim, Sole Survivor (mythic)
Dusty Basin (uncommon)
Chasm Lurker (uncommon)
Card48372 (uncommon)
Island (basic)