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.	Shore Krasis U Creature – Lizard Mutant You may cast Shore Krasis as though it had flash by paying more to cast it. When Shore Krasis enters the battlefield, you may return target creature to its owner's hand. Krasises are the result of a large amount of green mana being displaced into Dominaria's oceans, creating powerful – and terrifying – hunters. 2/2	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	Rusted Armaments U Artifact – Equipment Salvage 2 (Exile two other cards from your graveyard: Put this card from your graveyard on top of your library. Salvage only during your upkeep.) Equipped creature gets +2/+1. Equip	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	Swamp B Basic Land – Swamp

Rominim, Sole Survivor (mythic)
Shore Krasis (uncommon)
Chasm Lurker (uncommon)
Rusted Armaments (uncommon)
Swamp (basic)