(Generic)Isekai/Dungeon Test concepts: Virtual Booster

Koigyat, Blood Maw    R  Legendary Creature – Dragon Boss Flying haste Tier 3 (Tier 3 creatures aren't legendary as long as you control a Tier 4 creature. Creature spells you cast with Tier 1 cost less to cast.) At the beginning of your endstep, each opponent who didn't lose life this turn loses 3 life. At the beginning of your endstep, discard a card, then draw a card for each opponent who didn't lose life this turn. 4/5	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	Boss Fight    U  Instant Bosses you control get +1/+1 until end of turn. Target Boss you control deals damage equal to its power to target creature you don't control.	Sparking Battery    U  Artifact Reward (If a creature an opponent controls left the battlefield this turn, you may cast this spell for its reward cost..) : Add . Spend this mana only to cast sorcery spells.	Grim Recall    C  Instant Exile Grim Recall as it resolves. Draw two cards, then you may discard a card. If you do, return target card from your graveyard to your hand at the beginning of your next upkeep.
Don the Armory    C  Sorcery Target creature gets +1/+1 for each nontoken artifact you control.	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.	Crusher Cow    C  Artifact Creature – Aurochs Food Trample ,, Sacrifice this artifact: You gain 3 life. When is paid to activate an ability that sacrifices Crusher Cow, put a +1/+1 counter on target creature you control. 4/4	Duties Advocate    C  Creature – Elf Cleric Whenever a creature you control becomes enchanted, put a vigilance counter on that creature. 2/1	Sensation of the Natural    C  Enchantment – Aura Enchant creature Enchanted creature has protection from creatures with deathtouch. As long as an opponent controls an artifact or an enchantment, enchanted creature gets +2/+2.
Firesight Wand    C  Artifact ,: Deal 1 damage to target creature and Scry 1. If you control a blue Boss and a red Boss, you may deal 2 damage to target creature and scry 2 instead.	Second Floor Surveyor    C  Creature – Lammasu Flying Whenever a permanent you own is exiled, if you control a Boss, scry 1 and create a tapped Treasure token. Hwalch's knowledge extends far beyond the Zevbrenkh Sea. 3/3	Axe-Guard Demon    C  Creature – Demon Knight Defender Whenever a Boss you control dies, you may pay . If you do, put a +1/+1 counter on Axe-Guard Demon. Vakir found Giedes' fortress more heavily guarded than she had imagined. 5/5	Glopsci, Tentacles in Everything    C  Legendary Creature – Octopus Boss Whenever Glopsci, Tentacles in Everything deals combat damage to a player, tap target nonland permanent that player controls. That permanent doesn't untap during its controller's next untap step. Tier 1 (Tier 1 creatures aren't legendary as long as you control a Tier 2 or higher creature.) ,: Return target tapped nonland permanent to its owner's hand. 3/5	Mountain    B  Basic Land – Mountain

Koigyat, Blood Maw (rare)
Spell-Palm Adept (uncommon)
Boss Fight (uncommon)
Sparking Battery (uncommon)
Grim Recall (common)
Don the Armory (common)
Reaper's Rondo (common)
Crusher Cow (common)
Duties Advocate (common)
Sensation of the Natural (common)
Firesight Wand (common)
Second Floor Surveyor (common)
Axe-Guard Demon (common)
Glopsci, Tentacles in Everything (common)
Mountain (basic)