(Generic)Isekai/Dungeon Test concepts: Virtual Booster

Severing Slash    C  Instant As an additional cost to cast Severing Slash, an attacking creature you control doesn't untap during its controller's next untap step. Deal 7 damage to target creature and destroy all artifacts attached to that creature.	Divine Purge    R  Sorcery Divine Purge costs less for each Boss you control. Destroy all non-Boss creatures.	Boss Fight    U  Instant Bosses you control get +1/+1 until end of turn. Target Boss you control deals damage equal to its power to target creature you don't control.	Dark Scheme    U  Instant As an additional cost to cast Dark Scheme, exile a creature you control. Counter target creature spell. Then, choose one. If you control a Boss and a Lair, you may choose both. ● Return the exiled creature to the battlefield. ●Target creature gets -X/-X, where X was the exiled creature's power.	Gwalthain, Rust Lord    U  Legendary Artifact Creature – Boss Tier 2 (Tier 2 creatures aren't legendary as long as you control a Tier 3 or higher creature.) Gwalthain, Rust Lord enters the battlefield with five +1/+1 counters. If damage would be dealt to Gwalthain while Gwalthain has a +1/+1 counter on it, prevent that damage and remove a +1/+1 counter from Gwalthain. 0/0
Duties Advocate    C  Creature – Elf Cleric Whenever a creature you control becomes enchanted, put a vigilance counter on that creature. 2/1	Ambrussan Sentinel    C  Creature – Centaur Knight When Ambrussan Sentinel enters the battlefield, target Boss you control gains first strike and trample until end of turn. "I'll serve the lord the Ambrussan woods, whoever that may be." 4/4	Doquirl Dungeon Minotaur    C  Creature – Minotaur Minion Haste ,: Deal 2 damage to target creature. This ability costs less to activate if you control a Boss. The minotaurs charge on their master's command, and won't stop their attack until either they or their target dies. 2/2	Lair of the Impatient Ones    C  Land – Lair Lair of the Impatient Ones enters the battlefield tapped. : Add or . ,: Each creature you control with a Tier gets +1/+1 until end of turn.	Pfeilso, Spreading Slime    C  Legendary Creature – Ooze Boss Hexproof Tier 1 (Tier 1 creatures aren't legendary as long as you control a Tier 2 or higher creature.) When Pfeilso, Spreading Slime dies, return a random instant or sorcery card from your graveyard to your hand. You gain life equal to that card's mana value. 2/2
Psychic-Eye Drake    C  Creature – Drake Flying When Psychic-Eye Drake enters the battlefield, target opponent reveals their hand. 1/2	Sleep Song Siren    C  Creature – Siren Wizard Flying Whenever you cast an enchantment spell, you may tap target creature. 1/2	Choose Your Specialty    C  Sorcery Chooses 1– ●Destroy up to one target artifact, up to one target enchantment, and up to one target creature with flying. ●Create a 2/2 green Bear token, return a creature, artifact, enchantment, or land from your graveyard to your hand, and distribute two +1/+1 among any number of target creatures you control.	Second Floor Surveyor    C  Creature – Lammasu Flying Whenever a permanent you own is exiled, if you control a Boss, scry 1 and create a tapped Treasure token. Hwalch's knowledge extends far beyond the Zevbrenkh Sea. 3/3	Island    B  Basic Land – Island

Severing Slash (common, foil)
Divine Purge (rare)
Boss Fight (uncommon)
Dark Scheme (uncommon)
Gwalthain, Rust Lord (uncommon)
Duties Advocate (common)
Ambrussan Sentinel (common)
Doquirl Dungeon Minotaur (common)
Lair of the Impatient Ones (common)
Pfeilso, Spreading Slime (common)
Psychic-Eye Drake (common)
Sleep Song Siren (common)
Choose Your Specialty (common)
Second Floor Surveyor (common)
Island (basic)