(Generic)Isekai/Dungeon Test concepts: Virtual Booster

Galn-Wa, Lair Guardian    R  Legendary Creature – Ape Minion Reward (If a creature an opponent controls left the battlefield this turn, you may cast this spell for its reward cost..) Whenever an enchantment enters the battlefield under your control, put a +1/+1 counter on Galn-Wa, Lair Guardian. Whenever a land you control becomes the target of a spell cast by an opponent or the ability of a permanent an opponent controls, Galn-Wa deals damage equal to its power to target creature that opponent controls. 2/2	Ethlaux, Pure Service    U  Legendary Creature – Phoenix Boss Flying Tier 2 (Tier 2 creatures aren't legendary as long as you control a Tier 3 or higher creature.) At the beginning of your endstep, if two or more other creatures dealt an opponent combat damage, you may return Ethlaux, Pure Service from your graveyard to the battlefield tapped. 4/3	Zevbrenkh Sea Mariner    U  Creature – Human Knight Flash When Zevbrenkh Sea Mariner enters the battlefield, exile up to one target creature you control, then return that creature to the battlfield. If you exiled a Boss this way, gain 5 life and draw a card. 4/3	Dangliss Vines    U  Creature – Plant Other creatures you control have Ward . "Nature sides with me"- Bruchosja, Boss of the fourth floor 2/2	Light Shield Barrier    C  Instant Target creature gets +0/+5 and can block an additional creature until end of turn. If was spent casting Light Shield Barrier, that creature gains "Whenever this creature blocks another creature, Light Shield Barrier deals 1 damage to that creature." until end of turn.
Lair of the Solemn Sentinels    C  Land – Lair Lair of the Solemn Sentinels enters the battlefield tapped. : Add or . ,: Each creature you control with a Tier gets +1/+1 until end of turn.	Redwood Guardian    C  Creature – Treefolk Warrior Reach : Until end of turn, Redwood Guardian can block an additional creature. 5/5	Superior Wingcraft    C  Enchantment – Aura Enchant creature If enchanted creature doesn't have flying, it has flying. If the enchanted creature already has flying, it cannot be blocked.	Moment of Peace    C  Sorcery Draw a card and gain 4 life. You may play an additional land this turn. Before the Sky Saint appeared, Yalko had held static tranquility in the cloud citadel of Bourdges.	Severing Slash    C  Instant As an additional cost to cast Severing Slash, an attacking creature you control doesn't untap during its controller's next untap step. Deal 7 damage to target creature and destroy all artifacts attached to that creature.
Salaxam, Moonlight Agent    C  Legendary Creature – Vampire Boss Vigilance, deathtouch Tier 1 (Tier 1 creatures aren't legendary as long as you control a Tier 2 or higher creature.) : Salaxam, Moonlight Agent gains lifelink until end of turn. When Salaxam dies, you may put a vigilance counter or a deathtouch counter on target Boss. 3/3	Lightning Centipede    C  Creature – Insect , Sacrifice Lightning Centipede: Deal 2 damage to target creature. 3/1	Zydhao Banshee    C  Creature – Spirit Flying At the beginning of your upkeep, sacrifice Zydhao Banshee. When Zydhao Banshee is sacrificed this way, each opponent sacrifices a creature. 4/3	Hwalch's Emisarry    C  Creature – Merfolk Wizard When Hwalch's Emisarry enters the battlefield, target player puts the top two cards of their library into their graveyard. "Welcome to Vanquice" 1/1	Mountain    B  Basic Land – Mountain

Galn-Wa, Lair Guardian (rare)
Ethlaux, Pure Service (uncommon)
Zevbrenkh Sea Mariner (uncommon)
Dangliss Vines (uncommon)
Light Shield Barrier (common)
Lair of the Solemn Sentinels (common)
Redwood Guardian (common)
Superior Wingcraft (common)
Moment of Peace (common)
Severing Slash (common)
Salaxam, Moonlight Agent (common)
Lightning Centipede (common)
Zydhao Banshee (common)
Hwalch's Emisarry (common)
Mountain (basic)