(Generic)Isekai/Dungeon Test concepts: Virtual Booster

Vassei's Mirrorwork    R  Instant Reward (If a creature an opponent controls left the battlefield this turn, you may cast this spell for its reward cost..) Create a token copy of target creature an opponent controls except that token has haste and "At the beginning of the next endstep, sacrifice this creature."	Cull the Weak    U  Sorcery Destroy all creature tokens you don't control.	Jvo-Mak's Diadem    U  Artifact – Equipment Reward (If a creature an opponent controls left the battlefield this turn, you may cast this spell for its reward cost..) Whenever the equipped creature deals combat damage to a player, reveal the top card of that player's library. You may put that card on the bottom of that player's library. Equip	Onvy, Brain Bane    U  Legendary Creature – Frog Boss Reach Tier 2 (Tier 2 creatures aren't legendary as long as you control a Tier 3 or higher creature.) Whenever Onvy, Brain Bane becomes the target of an instant or sorcery spell you cast, put a +1/+1 counter on it, then each opponents mills X cards, where X is the number of counters on Onvy. 3/6	Driel's Boasting Challenger    C  Creature – Elf Warrior When Driel's Boasting Challenger enters the battlefield, you may put a Lair from your hand onto the battlefield. Sacrifice a Lair,: Put a +1/+1 counter on target creature. If that creature is a Boss, put two +1/+1 counters on it instead. 2/1
Gold-Horn Ox    C  Creature – Ox When Gold-Horn Ox enters the battlefield, any player may have you create three Treasure tokens. If they do, that player gains control of Gold-Horn Ox. , Sacrifice Gold-Horn Ox: Draw two cards. 0/4	H'Tolsh, Gloried Pouncer    C  Legendary Creature – Cat Boss Lifelink, haste Tier 1 (Tier 1 creatures aren't legendary as long as you control a Tier 2 or higher creature.) : H'Tolsh, Gloried Pouncer gains first strike until end of turn. When H'Tolsh dies, you may put a lifelink or haste counter on target Boss. 3/3	Dragonfire Shard    C  Artifact ,: Damage dealt by target sorcery spell can't be prevented. Sacrifice Dragonfire Shard: Add for each Boss you control.	Arcane Protection    C  Instant Target creature you control gains hexproof until end of turn. If Arcane Protection isn't a copy and targeted a Boss this way, you may cast a copy of Arcane Protection.	Smelter's Grasp    C  Sorcery Destroy target artifact and create a Treasure token. "If I can't take your prized sword itself, then I'll take what I can get from it." -Preshayja, the Sword-Twirler
Soul Punisher    C  Creature – Zombie Cleric Knight If a creature dealt damage by Soul Punisher would die, exile that creature instead. Thoughts, dreams, hope- all of that ends with the flesh rended into dust. 5/5	Blood-Feast Challenger    C  Creature – Vampire Warrior At the beginning of your endstep, choose 1- • Remove a counter from target creature. • Each opponent who controls a cteature with a counter loses 2 life. 4/4	Shaped by the Past    C  Enchantment At the beginning of your endstep, if you have seven or more cards in your graveyard, Scry 1.	Redwood Guardian    C  Creature – Treefolk Warrior Reach : Until end of turn, Redwood Guardian can block an additional creature. 5/5	Island    B  Basic Land – Island

Vassei's Mirrorwork (rare)
Cull the Weak (uncommon)
Jvo-Mak's Diadem (uncommon)
Onvy, Brain Bane (uncommon)
Driel's Boasting Challenger (common)
Gold-Horn Ox (common)
H'Tolsh, Gloried Pouncer (common)
Dragonfire Shard (common)
Arcane Protection (common)
Smelter's Grasp (common)
Soul Punisher (common)
Blood-Feast Challenger (common)
Shaped by the Past (common)
Redwood Guardian (common)
Island (basic)