(Generic)Isekai/Dungeon Test concepts: Virtual Booster

Dungeon Expansion    R  Sorcery Draw a card for each Boss you control. Then, put up to X basic lands and one Lair from your hand onto the battlefield tapped, where X is the number of cards drawn this way.	Flameshot Archer    U  Creature – Goblin Archer Reach ,: Deal 3 damage to target creature. Activate this ability only if you've cast an instant or sorcery this turn. 1/3	Ancient Muck Elemental    U  Creature – Elemental Flash At the beginning of your end step, up to one target tapped nonlegendary creature an opponent controls gets -X/-X until end of turn, where C is the number of tapped creatures you control. 5/5	Shemla, Wild Fury    U  Legendary Creature – Centaur Shaman Boss 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 choose one — • Exile an instant or sorcery card from your graveyard and create X 1/1 green Saproling tokens, where X is the exiled card's mana value. •Sacrifice any number of tokens. When one or more tokens are sacrificed this way, you may return an instant or sorcery with a mana value of X or less from your graveyard to your hand, where X is the number of tokens sacrificed this way. 3/4	Holy Moon's Favor    C  Instant Target creature gets +1/+2 and has Ward until end of turn. If target creature is a Boss, it gains lifelink until end of turn.
Pleya, Murky Murderer    C  Legendary Creature – Crocodile Boss Flash, trample Tier 1 (Tier 1 creatures aren't legendary as long as you control a Tier 2 or higher creature.) : Pleya, Murky Murderer gains hexproof until end of turn. When Pleya dies you may put a trample counter on target Boss or cast a Boss from your hand as if it had flash. 3/3	Sleep Song Siren    C  Creature – Siren Wizard Flying Whenever you cast an enchantment spell, you may tap target creature. 1/2	Feast on Foes    C  Enchantment Whenever a creature you don't control dies, create a Food token. "Cerberus, angel, sphinx, they all taste the same covered in pain pepper sauce." -Driel, the Body Gardener	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.	Glory-Wrought Golem    C  Artifact Creature – Golem Reward (If a creature an opponent controls left the battlefield this turn, you may cast this spell for its reward cost..) : Glory-Wrought Golem can’t be blocked by nonlegendary creatures until end of turn. 3/4
Dragonfire Shard    C  Artifact ,: Damage dealt by target sorcery spell can't be prevented. Sacrifice Dragonfire Shard: Add for each Boss you control.	True-Death Taipan    C  Creature – Snake Deathtouch : Until end of turn, damage dealt by True-Death Taipan can't be prevented. : Until end of turn, if a creature dealt damage by True-Death Taipan would die, exile that creature instead. 1/1	Plauch, Pride Hero    C  Legendary Creature – Cat Shaman Boss Tier 1 (Tier 1 creatures aren't legendary as long as you control a Tier 2 or higher creature.) At the beginning of your upkeep, target creature you control gets +2/+0 and gains vigilance until end of turn. 2/2	Reaper's Rondo    C  Sorcery Each opponent sacrifices a creature. If a nontoken creature was sacrificed this way, target creature you control gets +2/+0 until end of turn.	Forest    B  Basic Land – Forest

Dungeon Expansion (rare)
Flameshot Archer (uncommon)
Ancient Muck Elemental (uncommon)
Shemla, Wild Fury (uncommon)
Holy Moon's Favor (common)
Pleya, Murky Murderer (common)
Sleep Song Siren (common)
Feast on Foes (common)
Tripwire Trap (common)
Glory-Wrought Golem (common)
Dragonfire Shard (common)
True-Death Taipan (common)
Plauch, Pride Hero (common)
Reaper's Rondo (common)
Forest (basic)