(Generic)Isekai/Dungeon Test concepts: Virtual Booster

Yulgchi, Slime Tongue    R  Legendary Creature – Frog Ooze Boss 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.) : Target permanent doesn't untap during its controller's untap step. When Yulgchi, Slime Tongue untaps return that card to its owner's hand. When a card is returned to its owner's hand this way, Yulgchi gets +X/+X until end of turn, where X is the mana value of that card. 3/7	Dark Elf Gravekeeper    U  Creature – Elf Cleric Warrior When Dark Elf Gravekeeper enters the battlefield, exile target card from a graveyard and return up to one target creature card from your graveyard to your hand. : Add one mana of any color. Activate this ability only if a creature died this turn. 1/2	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.	Lair of the Fawning Shut-In    U  Land – Lair Lair of the Fawning Shut-In enters the battlefield tapped. If you control a Boss, when Lair of the Fawning Shut-In enters the battlefield you may sacrifice a basic land. If you do, Lair of the Fawning Shut-In enters the battlefield untapped. : Add or	Hound of the Fourth Hell    C  Creature – Devil Hound When Hound of the Fourth Hell enters the battlefield, Hound of the Fourth Hell deals damage equal to its power to target creature with a mana value of 3 or less. : Hound of the Fourth Hell gains menace until end of turn. 3/3
Infamous Hellfire    C  Sorcery Deal 3+X damage to 1+X targets, where, X is the number of cards in your graveyard named Infamous Hellfire.	Evolution Spiral    C  Sorcery Distribute a +1/+1 counter, a hexproof counter, a vigilance counter, a flying counter, and a trample counter among up to five creatures you control. You can't put more than two counters on a single creature this way.	Scheming Pirate    C  Creature – Goblin Pirate Scheming Pirate enters the battlefield with a first strike and a haste counter unless an opponent has you create a Treasure token instead. 2/3	Stone-Shelled Tortoise    C  Creature – Turtle Defender ,: Target tapped create doesn’t untap during its controller’s next untap step. 0/3	Lair Keeper’s Service    C  Enchantment – Aura Enchant creature Enchanted creature untaps at the beginning of each untap step and has “: Untap target Lair.”
Steal From the Dead    C  Instant Exile target card from a graveyard. If a creature card was exiled this way, create a tapped 1/1 green Saproling token. Otherwise, create a tapped Treasure token.	Typhoid Rats    C  Creature – Rat Deathtouch Even the most common creatures will kill a hero who can't comprehend protection. 1/1	Signature Spell-Slice    C  Instant If Signature Spell-Slice targets a Boss, you may pay an additional . Destroy target attacking creature. If you paid an additional , gain 5 life and create a 1/1 white Soldier token.	Consecrating Dance    C  Sorcery As you cast Consecrating Dance, you may pay . Gain 5 life. If you spent black or green mana casting Consecrating Dance, exile up to two target cards from an opponent's graveyard.	Mountain    B  Basic Land – Mountain

Yulgchi, Slime Tongue (rare)
Dark Elf Gravekeeper (uncommon)
Destroy Your Lair (uncommon)
Lair of the Fawning Shut-In (uncommon)
Hound of the Fourth Hell (common)
Infamous Hellfire (common)
Evolution Spiral (common)
Scheming Pirate (common)
Stone-Shelled Tortoise (common)
Lair Keeper’s Service (common)
Steal From the Dead (common)
Typhoid Rats (common)
Signature Spell-Slice (common)
Consecrating Dance (common)
Mountain (basic)