Experimental Set 1: Virtual Booster

Energy Syphon    R  Instant You may sacrifice 3 Source Counters instead of paying Energy Syphon's mana cost. Counter target spell.	Radical Thought    R  Sorcery As an additional cost to cast Radical Thought, sacrifice all Source Counters you control. Draw X cards and gain X life where X is the amount of Source Counters sacrificed with Radical Thought.	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	Sparking Energy    U  Creature – Elemental Haste At the end of your turn, sacrifice Sparking Energy and get a Source Counter 3/1	Surging Wasteland    U  Land Surging Wasteland enters the battlefield tapped. : Add to your mana pool. 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)
Nylbani Symbiote    R  Creature – Dryad Cleric 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) When you exile Nylbani Symbiote from your hand, if you have 4 or more Source Counters, draw a card. 2/2	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	Parnasus Generator    R  Artifact Whenever you get a Source Counter, draw a card. Exile 3 cards from your hand: You get a Source Counter.	Dynamic Search    U  Instant You may sacrifice 2 Source Counters rather than pay Dynamic Search's Mana Cost. Draw 2 Cards	Heartstoker Deity    R  Creature – Elemental At the beginning of your upkeep, sacrifice a Source Counter of sacrifice Heartstoker Deity. Creatures you control have +1/+0 and haste. 1/1
Breath of the World    M  Sorcery You may sacrifice 5 Source Counters instead of paying Breath of the World's mana cost. You may put a permanent from your hand onto the battlefield.	Worldpulse Rusher    C  Creature – Human Warrior Worldpulse Rusher has haste as long as you control a Source Counter. 2/1	Resonating Golem    R  Creature – Golem Resonating Golem costs less for each Source Counter you have sacrificed this turn. 4/4	No more cards	No more cards

Energy Syphon (rare)
Radical Thought (rare)
Energon Shell (common)
Sparking Energy (uncommon)
Surging Wasteland (uncommon)
Nylbani Symbiote (rare)
Energon Breather (uncommon)
Parnasus Generator (rare)
Dynamic Search (uncommon)
Heartstoker Deity (rare)
Breath of the World (mythic)
Worldpulse Rusher (common)
Resonating Golem (rare)