(Generic)Isekai/Dungeon Test concepts: Virtual Booster

Daunting Reaper    R  Creature – Specter Flying At the beginning of each opponent's endstep, that player sacrifices target tapped creature they control unless they discard a card instead. 2/3	Blood Ritual Warlock    U  Creature – Elf Warlock When Blood Ritual Warlock enters the battlefield, each player sacrifices a creature. : Blood Ritual Warlock gets +X/+X until end of turn where X is the number of creatures that died this turn. 2/2	Almia, Pox Prophet    U  Legendary Creature – Human Warlock Boss At the beginning of your upkeep, sacrifice a creature token. When you do, scry 1. 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, target creature an opponent controls gets -1/-1 until end of turn. 3/3	Two For One Trick    U  Sorcery Cast Two For One Trick only if you've cast one other spell this turn. Draw a card. Tap target nonland permanent. That permanent doesn't untap during its controller's next untap step.	Bolkaz's Cackle    C  Sorcery Return target creature to its owner's hand. Then, that creature's owner reveals their hand. Choose a nonland, noncreature card. That player discards that card.
Varwoods Hunter    C  Creature – Centaur Warrior Whenever Varwoods Hunter attacks, if you control three or more Lairs Varwoods Hunter gets +1/+1 and gains trample until end of turn. Even if they're bosses, denizens of the first floor should be wary of anyone unknown showing up. 3/1	Fanlaed, Raised by Beasts    C  Legendary Creature – Elf Wizard Boss Tier 1 (Tier 1 creatures aren't legendary as long as you control a Tier 2 or higher creature.) During your combat phase, instants you cast cost less for each untapped creature you control. 2/2	Swirl of Disintegration    C  Sorcery Target opponent sacrifices a creature and enchantment they control.	Firesight Wand    C  Artifact ,: Deal 1 damage to target creature and Scry 1. If you control a blue Boss and a red Boss, you may deal 2 damage to target creature and scry 2 instead.	Curse of Endless Possibility    C  Enchantment – Aura Flash Reward (If a creature an opponent controls left the battlefield this turn, you may cast this spell for its reward cost..) Enchant creature you control Enchanted creature has "When this creature deals combat damage to a player, scry X, where X is the damage this creature dealt. If you scry 3 or more cards this way, enchanted creature doesn't untap during your next untap step.
Adventurercatcher    C  Creature – Plant Whenever a land enters the battlefield under your control, gain 1 life. If a Lair entered the battlefield, Adventurercatcher gets +1/+0 until end of turn. 0/1	Dragonfire Shard    C  Artifact ,: Damage dealt by target sorcery spell can't be prevented. Sacrifice Dragonfire Shard: Add for each Boss you control.	Flying Fortress Guard    C  Creature – Elemental Knight Flying, vigilance Exile Flying Fortress Guard: Flying Fortress Guard's owner creates four Treasure tokens. Only opponents may activate this ability. 3/7	Not Quite Free    C  Instant Counter target spell that was cast for its reward cost unless that player pays . "I might not be spending money, but it's still a paywall." -Eshmoon	Island    B  Basic Land – Island

Daunting Reaper (rare)
Blood Ritual Warlock (uncommon)
Almia, Pox Prophet (uncommon)
Two For One Trick (uncommon)
Bolkaz's Cackle (common)
Varwoods Hunter (common)
Fanlaed, Raised by Beasts (common)
Swirl of Disintegration (common)
Firesight Wand (common)
Curse of Endless Possibility (common)
Adventurercatcher (common)
Dragonfire Shard (common)
Flying Fortress Guard (common)
Not Quite Free (common)
Island (basic)