(Generic)Isekai/Dungeon Test concepts: Virtual Booster

Knife Tyrant Crab    C  Creature – Crab You may spend mana as though it were to pay for equip costs that target Knife Tyrant Crab. 4/4	Isvanna's Grimoire    R  Enchantment At the beginning of your endstep, put a card from your hand on the bottom of your library. When one or more cards are put on the bottom of your library this way, draw a card.	Fast Slah    U  Instant Target blocked creature you control with first strike or double strike deals damage equal to its power to target opponent.	Rosheik, Bully Arcanist    U  Legendary Creature – Human Wizard Boss Ward Tier 2 (Tier 2 creatures aren't legendary as long as you control a Tier 3 or higher creature.) At the beginning of your upkeep, tap each untapped creature with the least power that you don't control. 3/3	Spell-Palm Adept    U  Creature – Salamander Monk Haste, prowess, Ward At the beginning of your endstep, if Spell-Palm Adept's power is 4 or greater, you may draw a card. The masters of the Spell-Palm style were all slaughtered by Giedes, and the survivors seek refuge under Zialk. 2/1
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	Rumblo's Armorer    C  Creature – Goblin Minion Haste When Rumblo's Armorer dies, you may attach equipment at instant speed until end of turn. "A spear? We'll need these shields, and a hammer to break the shaft." -Rumblo, Second Floor Boss 1/1	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	Driel's Herald    C  Creature – Hydra Driel's Herald enters the battlefield with a +1/+1 counter on it for each Boss you control. Remove a +1/+1 counter from Driel's Herald: Driel's Herald gains indestructible until end of turn. 0/0	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.
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.	Sleep Song Siren    C  Creature – Siren Wizard Flying Whenever you cast an enchantment spell, you may tap target creature. 1/2	Bite of Emptiness    C  Sorcery Each opponent mills three cards. Each opponent loses life equal to the highest mana value among cards that player milled this way. You gain life equal to the greatest amount of life lost this way. They say the rats in Dualor feed off of not just flesh, but memories, happiness, and sorrow that are one's identity.	Spell-Stream Dragon    C  Creature – Dragon Flying As long as Spell-Stream Dragon is tapped, instants and sorceries you cast cost less. 4/4	Swamp    B  Basic Land – Swamp

Knife Tyrant Crab (common, foil)
Isvanna's Grimoire (rare)
Fast Slah (uncommon)
Rosheik, Bully Arcanist (uncommon)
Spell-Palm Adept (uncommon)
Slesvi's Binding (common)
Rumblo's Armorer (common)
Ashell and Gruzmi, Heralds of Kairu (common)
Driel's Herald (common)
Arcane Protection (common)
Ready to Strike (common)
Sleep Song Siren (common)
Bite of Emptiness (common)
Spell-Stream Dragon (common)
Swamp (basic)