(Generic)Isekai/Dungeon Test concepts: Virtual Booster

Pleshwy, Lord of the Swarm    R  Legendary Creature – Rat Boss Vigilance Tier 3 (Tier 3 creatures aren't legendary as long as you control a Tier 4 creature. Creature spells you cast with Tier 1 cost less to cast.) Whenever Pleshwy, Lord of the Swarm or another Boss enters the battlefield under your control, create a 1/1 black Rat token. Rats you control get +X/+X, where X is the number of Bosses you control. 3/8	Destroy Your Lair    U  Instant As an additional cost to cast Destroy Your Lair, sacrifice a Lair. Destroy target creature and a random creature controlled by the same player.	Bonus Treasure Guide    U  Creature – Human Shaman Whenever you cast a card with Reward, exile the top card of your library. You may play cards exiled that way until the end of your next turn. 2/3	Trail of Poison    U  Sorcery Reward (If a creature an opponent controls left the battlefield this turn, you may cast this spell for its reward cost..) Cast Trail of Poison only if a creature you control dealt combat damage to an opponent this turn. Creatures you don't control get -1/-1 until end of turn.	Lightning Centipede    C  Creature – Insect , Sacrifice Lightning Centipede: Deal 2 damage to target creature. 3/1
Preshayja, the Sword-Twirler    C  Legendary Creature – Human Knight Boss Doublestrike Tier 1 (Tier 1 creatures aren't legendary as long as you control a Tier 2 or higher creature.) Preshayja, the Sword-Twirler has vigilance as long as Preshayja is enchanted. "Inevitable, painful death lies ahead, or at least, the promise of it does for me."- Preshayja, first floor boss. 1/2	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	Two-Spells Ahead of You    C  Instant Draw two cards. Then, if you have seven or more cards in your hand, you may Scry 2. "I've still got.... 6,328 spells you haven't seen." -Isvanna	Scythe-Slash Slayer    C  Creature – Orc Assassin Discard a noncreature card,: Target creature gets -1/-1 until end of turn. Holding the scythe by only the very end, she can reach you, even if you think she can't. 2/3	Steal From the Skies    C  Instant Until end of turn target creature gains hexproof and "when this creature deals combat damage to a creature with flying, draw a card."
Drake-Skin Gloves    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/+1 and has "Whenever this creature deals combat damage to a player, you may draw a card, then discard a card." Equip	Fallash's Maid    C  Creature – Human Minion Haste : Untap target Lair "Lady Fallash, I've made sure that your keep remained spotless while you conquering the Chowair Metropolis." 0/1	White-Whiskered Ally    C  Creature – Wolf : Gets +0/+1 until end of turn. Activate this ability only when you cast a sorcery and only if you control a creature with vigilance. 2/2	Rassuria, Quichayan Terror    C  Legendary Creature – Basilisk Boss Menace, hexproof Tier 1 (Tier 1 creatures aren't legendary as long as you control a Tier 2 or higher creature.) : Rassuria, Quichayan Terror gains deathtouch until end of turn. When Rassuria dies, you may put a menace or a hexproof counter on target Boss. 3/3	Plains    B  Basic Land – Plains

Pleshwy, Lord of the Swarm (rare)
Destroy Your Lair (uncommon)
Bonus Treasure Guide (uncommon)
Trail of Poison (uncommon)
Lightning Centipede (common)
Preshayja, the Sword-Twirler (common)
Fanlaed, Raised by Beasts (common)
Two-Spells Ahead of You (common)
Scythe-Slash Slayer (common)
Steal From the Skies (common)
Drake-Skin Gloves (common)
Fallash's Maid (common)
White-Whiskered Ally (common)
Rassuria, Quichayan Terror (common)
Plains (basic)