(Generic)Isekai/Dungeon Test concepts: Virtual Booster

Lair of the Wasting Generation    U  Land – Lair Lair of the Wasting Generation enters the battlefield tapped. If you control a Boss, when Lair of the Wasting Generation enters the battlefield you may sacrifice a basic land. If you do, Lair of the Wasting Generation enters the battlefield untapped. : Add or	Divine Purge    R  Sorcery Divine Purge costs less for each Boss you control. Destroy all non-Boss creatures.	Cheline, Light Elf Gate Keeper    U  Legendary Creature – Elf Cleric Boss Vigilance Tier 2 (Tier 2 creatures aren't legendary as long as you control a Tier 3 or higher creature.) At the beginning of your endstep, gain 1 life for each untapped creature you control. At the beginning of your upkeep, if you have more life than each opponent, distribute up to two +1/+1 counters among one or two target creatures. 3/4	Dagger of Deception    U  Artifact – Equipment Equipped creature gets +1/+0 and has "Whenever the equipped creature deals combat damage to a player, if that player discarded a card this turn, draw two cards, then discard a card." Equip	Weighted-Wing Pixie    U  Creature – Faerie Wizard Flash, flying When Weighted-Wing Pixie, tap target creature. , Sacrifice Weighted-Wing Pixie: Destroy target tapped creature. 2/2
Fourth-Floor Ambush Greeter    C  Creature – Elemental Giant When Fourth-Floor Ambush Greeter enters the battlefield, you may sacrifice a Lair. If you do, put a +1/+1 counter, a menace counter, and a first strike counter on each Boss you control. 6/6	Lament of the Lonely    C  Instant Cast Lament of the Lonely only if you control exactly one creature. Draw two cards, lose two life, and create two tapped Treasure tokens.	Planner’s Gambit    C  Instant Until end of turn, whenever a creature you control blocks, draw a card then discard a card. “I just needed to see your weakness” -Kairu the Spear Master	Quichayan Wurm    C  Creature – Wurm Hexproof When Quichayan Wurm dies, untap all Lairs you control. 7/7	Mylis, Silver Warden    C  Legendary Creature – Fox Boss Vigilance Tier 1 (Tier 1 creatures aren't legendary as long as you control a Tier 2 or higher creature.) ,: Destroy target enchantment and put a +1/+1 counter on up to one target creature. 3/5
Delai, Blood Tide    C  Legendary Creature – Merfolk Cleric Boss Tier 1 (Tier 1 creatures aren't legendary as long as you control a Tier 2 or higher creature.) At the beginning of your endstep, if a creature died this turn, draw a card and deal 1 damage to any target. 2/2	Bolkaz, Distant Terror    C  Legendary Creature – Nightmare Boss Tier 1 (Tier 1 creatures aren't legendary as long as you control a Tier 2 or higher creature.) : Until end of turn, when Bolkaz, Distant Terror deals combat damage to an opponent, that player mills two cards. When Bolkaz dies, if an opponent has fifteen or more cards in their graveyard, you may cast a Boss from your hand as if it had flash for less. 3/5	Smelter's Grasp    C  Sorcery Destroy target artifact and create a Treasure token. "If I can't take your prized sword itself, then I'll take what I can get from it." -Preshayja, the Sword-Twirler	Blood-Sworn Knight    C  Creature – Vampire Knight Whenever an opponent casts a spell during the combat phase, Blood-Sworn Knight gets +1/+0 and gains first strike until end of turn. 0/3	Island    B  Basic Land – Island

Lair of the Wasting Generation (uncommon, foil)
Divine Purge (rare)
Cheline, Light Elf Gate Keeper (uncommon)
Dagger of Deception (uncommon)
Weighted-Wing Pixie (uncommon)
Fourth-Floor Ambush Greeter (common)
Lament of the Lonely (common)
Planner’s Gambit (common)
Quichayan Wurm (common)
Mylis, Silver Warden (common)
Delai, Blood Tide (common)
Bolkaz, Distant Terror (common)
Smelter's Grasp (common)
Blood-Sworn Knight (common)
Island (basic)