Custom Commanders: 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.

Grava, Rebel Overlord M Legendary Creature – Goblin Rebel Menace Other Goblins you control have Menace. When a Goblin enters the battlefield under your control, you may discard a card and pay . If you do, draw X cards and Grava, Rebel Overlord deals X damage to target creature or player 3/3	Hero Worship U Enchantment When Hero Worship enters the battlefield, exile a creature you control until Hero Worship leaves the battlefield. Creatures you control get +X/+0, where X is the power of the exiled card. Creatures you control have first strike if the exiled card has first strike. The same is true for flying, deathtouch, double strike, haste, lifelink, menace, reach, trample, and vigilance.	Elvish Entropist U Creature – Elf Rogue Haste : Add to your mana pool. Activate this ability only if Elvish Entropist entered the battlefield this turn. : Add to your mana pool. 1/2	Mind and Might U Enchantment Whenever a creature you control deals damage to a creature an opponent controls, you may pay . If you do, return the opponent's creature to its owner's hand.	No more commons
No more commons	No more commons	No more commons	No more commons	Pre-emptive Assassination C Instant Target creature you control gains first strike and deathtouch until end of turn. If that creature is a Goblin or a Rebel, Pre-emptive Assassination deals 3 damage to target creature or player. "Spill a pint of their blood, save a gallon of ours."
No more commons	No more commons	No more commons	No more commons	Forest B Basic Land – Forest

Grava, Rebel Overlord (mythic)
Hero Worship (uncommon)
Elvish Entropist (uncommon)
Mind and Might (uncommon)
Pre-emptive Assassination (common)
Forest (basic)