Yet another card dump (Circeus's): Virtual Booster

Tone Deafness    C  Enchantment – Aura Enchant creature Enchanted creature gets -3/-0. Whenever you play a spell that shares a color with enchanted creature, tap it.	Edict of Strength    U  Instant Target player sacrifices a creature with converted mana cost 2 or less.	Bloodlink Servitude    R  Enchantment – Aura Enchant creature You control enchanted creature. At the beginning of your upkeep, enchanted creature deals damage to you equal to its power. "Just because you hate me is no justification for your repeated attempts at killing me."	Bagpipes    R  Artifact , Sacrifice Bagpipes: Spells cost more to cast until end of turn. You are automatically enrolled in the 4th Battlecasters' Regiment if you can cast a spell while the bagpipe player's next to you that doesn't involve killing him or yourself.	Sudden Ceasefire    U  Instant Remove from combat all creatures blocking target creature. (That creature is still blocked.)
Cormorant Vigil    C  Artifact Creature – Bird You may cast Cormorant Vigil as though it had flash by spending only to do so. Flying When Cormorant Vigil enters the battlefield, you may tap or untap target permanent. 2/1	Arcane Deductions   Instant Counter target spell unless its controller pays . Latch 5 – (If the last spell you cast this turn had a converted mana cost of 5 or higher, you may cast this spell for its latch cost.)	The Birds    R  Instant The next time a source of your choice would deal damage to you this turn, prevent that damage, then put X 1/1 white Bird creature tokens with flying onto the battlefield, where X is equal to the damage prevented this way.	Chthonian Eidolon    C  Creature – Spirit Flying When Chthonian Eidolon enters the battlefield, all nonbasic lands target player controls become swamps until end of turn. 1/2	Grim Memorial    U  Sorcery Return target creature card and target noncreature card from your graveyard to your hand.
Alter Paths    U  Enchantment When Alter Paths enters the battlefield, search your library for a basic land card, put it onto the battlefield tapped, then shuffle. Whenever a land enters the battlefield under your control, put a counter on Alter Paths. : Search your library for a basic land card, put it onto the battlefield tapped, then shuffle. This ability costs an additional for each counter on Alter Paths.	Dimir Mindstabber    U  Creature – Human Warrior When Dimir Mindstabber enters the battlefield, Spy on a player. (To spy, choose land or nonland, then reveal the top card of that player's library.) Whenever you spy correctly, you may have target creature get -1/-1 until end of turn. 2/4	Rageful Bear    U  Creature – Bear Beast : Rageful Bear gets +2/+2 and gains your choice of trample or hexproof. Activate this ability only during your turn and only once each turn. 2/2	Find the Trails    U  Sorcery Cast Find the Trails only if a creature entered the battlefield under your control this turn. Draw two cards.	Mana Roiler    C  Creature – Elemental When Mana Roiler enters the battlefield, add to your mana pool. If that mana is spent on a creature spell, that creature gains haste until end of turn. (It can attack and as soon as it comes under your control.) 1/1

Tone Deafness (common)
Edict of Strength (uncommon)
Bloodlink Servitude (rare)
Bagpipes (rare)
Sudden Ceasefire (uncommon)
Cormorant Vigil (common)
Arcane Deductions (none)
The Birds (rare)
Chthonian Eidolon (common)
Grim Memorial (uncommon)
Alter Paths (uncommon)
Dimir Mindstabber (uncommon)
Rageful Bear (uncommon)
Find the Trails (uncommon)
Mana Roiler (common)