Experimental Set 1: 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.

Energy Syphon R Instant You may sacrifice 3 Source Counters instead of paying Energy Syphon's mana cost. Counter target spell.	Sparking Energy U Creature – Elemental Haste At the end of your turn, sacrifice Sparking Energy and get a Source Counter 3/1	Energon Breather U Creature – Elemental Energon Breather's power is equal to the number of Source Counters you control. Source (You may exile this card from your hand to gain a Source counter. You may activate this ability anytime you could cast a sorcery) */1	Dynamic Search U Instant You may sacrifice 2 Source Counters rather than pay Dynamic Search's Mana Cost. Draw 2 Cards	No more commons
No more commons	No more commons	No more commons	Energon Shell C Creature – Elemental Source (You may exile this card from your hand to gain a Source counter. You may activate this ability anytime you could cast a sorcery) 0/2	No more commons
No more commons	No more commons	Worldpulse Rusher C Creature – Human Warrior Worldpulse Rusher has haste as long as you control a Source Counter. 2/1	No more commons	Swamp B Basic Land – Swamp

Energy Syphon (rare)
Sparking Energy (uncommon)
Energon Breather (uncommon)
Dynamic Search (uncommon)
Energon Shell (common)
Worldpulse Rusher (common)
Swamp (basic)