(Generic)Isekai/Dungeon Test concepts: Virtual Booster

Demonic Arrogance    C  Enchantment – Aura Enchant creature Enchanted creature gets +3/+0 and has menace. When Demonic Arrogance is put into the graveyard from the battlefield you may pay 3 life. If you do, target creature gets -3/-3 until end of turn.	Sky-Grove Guardian    R  Creature – Serpent Flash, flying, vigilance At the beginning of each upkeep you may choose a Lair you control. If you do, each other land you control becomes a copy of that Lair until end of turn. 4/4	Siquahi, Life-Taker    U  Legendary Creature – Human Warlock Boss Tier 2 (Tier 2 creatures aren't legendary as long as you control a Tier 3 or higher creature.) Whenever a creature you control dies, put a +1/+1 counter on Siquahi, Life-Taker and gain 1 life. Remove two +1/+1 counters: Siquahi gains indestructible until end of turn. Activate this ability only during your turn. 2/2	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	Lair of the Narcotic Eaters    U  Land – Lair Lair of the Narcotic Eaters enters the battlefield tapped. If you control a Boss, when Lair of the Narcotic Eaters enters the battlefield you may sacrifice a basic land. If you do, Lair of the Narcotic Eaters enters the battlefield untapped. : Add or
Collection Persecutor    C  Creature – Goblin Shaman Collection Persecutor can’t block. : Collection Persecutor gets +1/+0 for each artifact your opponents control. Activate this ability only once each turn. 2/2	Giant Performance Fan    C  Artifact – Equipment Reward (If a creature an opponent controls left the battlefield this turn, you may cast this spell for its reward cost..) Equipped creature gets +0/+3 and has "Untap this creature during each player's untap step." Equip	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.	Foul Rotter    C  Creature – Zombie Whenever Foul Rotter or another Zombie enters the battlefield, up to one target creature you don't control gets -1/-1 until end of turn. You can't target a creature with this ability more than once each turn. 2/2	Holy Moon's Favor    C  Instant Target creature gets +1/+2 and has Ward until end of turn. If target creature is a Boss, it gains lifelink until end of turn.
Salaxam, Moonlight Agent    C  Legendary Creature – Vampire Boss Vigilance, deathtouch Tier 1 (Tier 1 creatures aren't legendary as long as you control a Tier 2 or higher creature.) : Salaxam, Moonlight Agent gains lifelink until end of turn. When Salaxam dies, you may put a vigilance counter or a deathtouch counter on target Boss. 3/3	Wings of Yswang    C  Enchantment – Aura Enchant creature Enchanted creature and has flying and lifelink. , Sacrifice Wings of Yswang and the enchanted creature: Create a 4/4 white angel token with flying.	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	Light Elves' Solar Blossom    C  Sorcery Gain 7 life. If was spent casting Light Elves' Solar Blossom, you may search your library for a Plains, reveal it, and add it to your hand. Then, shuffle.	Plains    B  Basic Land – Plains

Demonic Arrogance (common, foil)
Sky-Grove Guardian (rare)
Siquahi, Life-Taker (uncommon)
Dagger of Deception (uncommon)
Lair of the Narcotic Eaters (uncommon)
Collection Persecutor (common)
Giant Performance Fan (common)
Severing Slash (common)
Foul Rotter (common)
Holy Moon's Favor (common)
Salaxam, Moonlight Agent (common)
Wings of Yswang (common)
Delai, Blood Tide (common)
Light Elves' Solar Blossom (common)
Plains (basic)