(Generic)Isekai/Dungeon Test concepts: Virtual Booster

Saproling Summoning Circle    R  Sorcery Search your library for a green creature with a mana value of X or less, where X is the number of creature tokens you control. Put that creature onto the battlefield.	Mist Stalker Sage    U  Creature – Merfolk Wizard Lairs you control have ",, Sacrifice this land: Target creature cannot be blocked until end of turn." 4/2	Lis-Yei, Psychic Shark    U  Creature – Shark Boss Flash Tier 2 (Tier 2 creatures aren't legendary as long as you control a Tier 3 or higher creature.) Whenever Lis-Yei, Psychic Shark or another Boss you control attacks, exile target card from the defending player's graveyard and Scry 2. 3/3	Liang, the War Goblin    U  Legendary Creature – Goblin Boss Menace, haste Tier 2 (Tier 2 creatures aren't legendary as long as you control a Tier 3 or higher creature.) Whenever Liang, the War Goblin attacks another target creature you control gets +X/+0 until end of turn, where X is the number of attacking creatures you control. 3/3	Vault Upward    C  Instant Return target nonlegendary creature to its owner's hand. If you control a blue Boss, target creature you control gains flying until end of turn. "It's a long way back to the troposhere, see ya!"-Garnieckz the Sky Saint
Preshayja's Gambit    C  Instant Put a +1/+1 counter on up to one target creature you control. Until end of turn, that creature gains "Remove a counter: Destroy target creature blocking or being blocked by this creature."	Slesvi's Binding    C  Instant Reward (If a creature an opponent controls left the battlefield this turn, you may cast this spell for its reward cost..) Each opponent sacrifices an enchantment. "I see you, covered in blessings and curses. How grotesque you weakness is." -Slesvi, 4th Floor Boss	Sanguine Dance    C  Sorcery Each player sacrifices a nonlegendary creature and gains life equal to the total toughness of all creatures sacrificed this way.	Lair of Patient Zero    C  Land – Lair Lair of Patient Zero enters the battlefield tapped. : Add or . ,: Each creature you control with a Tier gets +1/+1 until end of turn.	Keen Senses    C  Enchantment Instants and sorceries you cast during your turn cost less. If an instant you cast during your turn targets a creature you control, that creature gains first strike until end of turn.
Ready to Strike    C  Sorcery Put a vigilance counter on up to two target creatures you control. Then, each creature you control with vigilance gets +1/+1 until end of turn.	Pisha, the Hammering Tail    C  Legendary Creature – Lizard Boss Tier 1 (Tier 1 creatures aren't legendary as long as you control a Tier 2 or higher creature.) When Pisha, the Hammering Tail enters the battlefield, destroy target artifact. : Pisha gets +X/+0 until end of turn, where X is the number of artifacts in target opponent's graveyard. 3/3	Squealing Goretusk    C  Creature – Boar When Squealing Goretusk enters the battlefield, if an opponent was dealt damage this turn, Squealing Goretusk enters the battlefield with a trample counter. Goretusks herald forests of death. 4/4	Curse of Howling    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 All creature able to block the enchanted creature do so. At the beginning of your endstep, if the enchanted didn't attack, exile two lands you control until the beginning of your next endstep.	Mountain    B  Basic Land – Mountain

Saproling Summoning Circle (rare)
Mist Stalker Sage (uncommon)
Lis-Yei, Psychic Shark (uncommon)
Liang, the War Goblin (uncommon)
Vault Upward (common)
Preshayja's Gambit (common)
Slesvi's Binding (common)
Sanguine Dance (common)
Lair of Patient Zero (common)
Keen Senses (common)
Ready to Strike (common)
Pisha, the Hammering Tail (common)
Squealing Goretusk (common)
Curse of Howling (common)
Mountain (basic)