Valhalla: 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.

Undercity Boss R Creature – Partisan Taint 1 – 4 (When Undercity Boss is blocked, the blocking creature gets -1/-1 for four turns.) 2/2	Experiment 3 U Instant You have Supercharge 1 (Spells that deal damage deal 1 more.) until end of turn.	No more uncommons	No more uncommons	No more commons
No more commons	No more commons	Lost Traveller C Creature – Human Remnant (When Lost Traveller dies, create a 1/1 Soul with Defender and Flying.) 0/1	No more commons	Fresh Recruit C Creature – Legionnaire Formation 1 (Fresh Recruit gains +1/+1 for every allied permanent with Formation, up to a max of +1/+1.) 0/1
No more commons	No more commons	No more commons	No more commons	Swamp B Basic Land – Swamp

Undercity Boss (rare)
Experiment 3 (uncommon)
Lost Traveller (common)
Fresh Recruit (common)
Swamp (basic)