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

Muscle Elemental    R  Creature – Elemental Trample If a spell or ability would increase the power or toughness of Muscle Elemental by any amount until end of turn, it increases it by twice that amount instead. 2/2	Bant Lore    U  Instant Prevent all damage a source of your choice would deal this turn. If was spent to cast Bant Lore, you may destroy target artifact. If was spent to cast Bant Lore, draw a card.	Unfair Contract    U  Instant Target creature you control gets +1/+1 and target creature you don’t control gets -1/-1. If only was spent to cast Unfair Contract, instead target creature you control gets +2/+2 and target creature you don’t control gets -2/-2.	Sacrificial Absolution    U  Enchantment – Aura Enchant creature Enchant creature can't attack or block unless its controller sacrifices two nonland permanents.	Rape the Soul    C  Instant Choose one – • Remove a counter from target creature; • Target creature gets -1/-1 until end of turn.
Whelk Armor    C  Instant Target creature gets -3/+3 until end of turn. It's ridiculously unwieldy and disgusting, but it will keep you alive.	Bracing for the Duel    C  Sorcery Target creature you control gets +2/+2 until end of turn, then fights another target creature.	Alien Geometry    C  Instant Counter target spell with converted mana cost X. If that spell is countered this way, you may put it on the bottom of its owner’s library instead of into that player’s graveyard.	Mana Miller    C  Creature – Elf Cleric , Mill a card: Add or one mana of any of that card's colors to your mana pool. 1/1	Demented Flautist    C  Creature – Goblin Shaman , Sacrifice Demented Flautist: Counter target spell that targets one or more creatures you control. He knows cadences that will wrench your ideas from you, and pitches that will throw you into madness. 2/2
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	Abject Refusal    C  Instant Target player sacrifices a creature with power 3 or less. If they do, they may draw a card. Escalate (Then any opponent may pay this spell's escalate cost and copy it. They may choose new targets for the copy.)	Preventive End    C  Instant Counter target artifact or enchantment spell, then you may destroy up to one target artifact or enchantment.	Intents    C  Sorcery Target player discards a card at random. Purposes    C  Sorcery Target player exiles their hand face down. Return those cards to their hand at the beginning of the next end step.	Swamp    B  Basic Land – Swamp

Muscle Elemental (rare)
Bant Lore (uncommon)
Unfair Contract (uncommon)
Sacrificial Absolution (uncommon)
Rape the Soul (common)
Whelk Armor (common)
Bracing for the Duel (common)
Alien Geometry (common)
Mana Miller (common)
Demented Flautist (common)
Cormorant Vigil (common)
Abject Refusal (common)
Preventive End (common)
Intents // Purposes (common)
Swamp (basic)