(Generic)Isekai/Dungeon Test concepts: Virtual Booster

Vahlz, Doom Cloud    R  Legendary Creature – Elemental Boss Flying 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 another nontoken creature with flying enters the battlefield, create a 2/2 black Zombie token, gain 5 life, and draw a card. If a Boss with flying entered the battlefield this way, double the amount of tokens created, life gained, and cards drawn this way. 4/4	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.	Illusionist Assailant    U  Creature – Cephalid Wizard Rogue Whenever Illusionist Assailant deals combat damage to a player, create a 0/1 blue Cephalid token with defender. Illusionist Assailant has hexproof and can't be blocked as long as you control another cephalid. 2/1	Blessing of Ruin    U  Enchantment – Aura Enchant creature Whenever enchanted creature deals combat damage to a player, you may destroy target artifact or enchantment that player controls. Sacrifice an artifact or enchantment: Return Blessing of Ruin from your graveyard to your hand.	Ashell and Gruzmi, Heralds of Kairu    C  Legendary Creature – Elf Goblin Boss Tier 1 (Tier 1 creatures aren't legendary as long as you control a Tier 2 or higher creature.) : Ashell and Gruzmi, Heralds of Kairu gains first strike until end of turn. : Ashell and Gruzmi gains deathtouch until end of turn. At the beginning of your endstep, if Ashell and Gruzmi has first strike and deathtouch, sacrifice it. When Ashell and Gruzmi is sacrificed this way you may cast a Boss from your hand as if it had flash for less. 4/4
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	Psychedelic Stew    C  Artifact – Food Reward (If a creature an opponent controls left the battlefield this turn, you may cast this spell for its reward cost..) ,.”, Sacrifice this artifact: You gain 3 life. ,: Scry 1	Tripwire Trap    C  Enchantment Sacrifice Tripwire Trap: Tap target creature, then you may tap an additional creature for each Boss you control. Activate this ability only during an opponent's turn unless you control one or more Lairs.	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	Stone-Shelled Tortoise    C  Creature – Turtle Defender ,: Target tapped create doesn’t untap during its controller’s next untap step. 0/3
Quichayan Wurm    C  Creature – Wurm Hexproof When Quichayan Wurm dies, untap all Lairs you control. 7/7	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	Haldim Great Rat    C  Creature – Rat ,: Exile target creature from an opponent's graveyard and put a +1/+1 counter on Haldim Great Rat. 2/1	Duties Advocate    C  Creature – Elf Cleric Whenever a creature you control becomes enchanted, put a vigilance counter on that creature. 2/1	Mountain    B  Basic Land – Mountain

Vahlz, Doom Cloud (rare)
Trail of Poison (uncommon)
Illusionist Assailant (uncommon)
Blessing of Ruin (uncommon)
Ashell and Gruzmi, Heralds of Kairu (common)
Adventurercatcher (common)
Psychedelic Stew (common)
Tripwire Trap (common)
Blood-Sworn Knight (common)
Stone-Shelled Tortoise (common)
Quichayan Wurm (common)
Fanlaed, Raised by Beasts (common)
Haldim Great Rat (common)
Duties Advocate (common)
Mountain (basic)