Unburden: Virtual Booster

Ravenous Muck    R  Land As Ravenous Muck enters the battlefield, you may sacrifice a creature. If you don't, Ravenous Muck enters the battlefield tapped. : Add or to your mana pool. Splinter (When this card enters the battlefield, you may pay 1 life. If you do, create a 1/1 Green Ooze creature token.).	Spatial Breach    U  Land , Sacrifice Spatial Breach: You may choose a basic land you own from outside of the game and put it onto the battlefield tapped.	Rock Value Guy    U  Creature Splinter, splinter (When this card enters the battlefield, you may pay 1 life. If you do, create a 1/1 Green Ooze creature token. Then do it again.) 3/3	Solidify Idea    U  Instant Put any number fathomed cards you own into your hand. (Fathomed cards are only cards you can play.)	No more commons
No more commons	Flash in the Pan    C  Sorcery Target player fathoms the top three cards of his or her library. (He or she exiles the top three cards of his or her library. Until end of turn, he or she may play those cards.)	Voracious Caterpillar    C  Creature – Insect , Sacrifice a Forest: Transform Voracious Caterpillar. 1/2 Captivating Butterfly    C  Creature – Insect Flying All creatures able to block Captivating Butterfly do so. 3/3	Borrowing 100,000 Arrows    C  Sorcery Draw a card for each tapped creature target opponent controls.	Ambush Volley    C  Instant Ambush Volley deals damage to target attacking creature equal to the number of tapped creatures you control.
No more commons	Exhaustive Stay    C  Instant Counter target spell unless its controller pays for each tapped creature you control.	No more commons	No more commons	Plains    B  Basic Land – Plains

Ravenous Muck (rare)
Spatial Breach (uncommon)
Rock Value Guy (uncommon)
Solidify Idea (uncommon)
Flash in the Pan (common)
Voracious Caterpillar (common)
Borrowing 100,000 Arrows (common)
Ambush Volley (common)
Exhaustive Stay (common)
Plains (basic)