(Generic)Isekai/Dungeon Test concepts: Virtual Booster

Brik and Ysho, Peasant and Canker    R  Legendary Creature – Elf Devil Boss 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.) Whenever Brik and Ysho, Peasant and Canker or another Boss you control deals combat damage to a player, exile the top card of your library. Until end of turn, you may play cards exile this way. If you play a Lair or a Boss this way, lose 1 life and put a +1/+1 counter, first strike counter, trample counter, vigilance counter, or deathtouch counter on Brik and Ysho. 3/2	Tafket, Web King    U  Legendary Creature – Spider Boss Reach Tier 2 (Tier 2 creatures aren't legendary as long as you control a Tier 3 or higher creature.) Whenever a creature dealt combat damage by Tafket, Web King dies, create a Treasure token and untap target land you control. Sacrifice three treasures: Put a deathtouch and a menace counter on Tafket. 5/5	Blaze-Breath Dragon    U  Creature – Dragon Flying Whenever Blaze-Breath Dragon attacks, you may discard an instant or sorcery from your hand. If you do, Blaze-Breath Dragon deals 2 damage to each nonlegendary creature that you don't control. 3/3	Doulyan, Untamed Prince    U  Legendary Creature – Horse Boss vigilance Tier 2 (Tier 2 creatures aren't legendary as long as you control a Tier 3 or higher creature.) Whenever Doulyan, Untamed Prince attacks, you may put a vigilance counter on up to one other target Boss you control and untap it. 3/6	Potion-Maker's Pack    C  Artifact – Equipment When equipped creature attacks, it deals 1 damage to any target. If that target is a creature, flip a coin. If you win the flip, that creature can't block this turn. Equip: or Tap an untapped Lair
Specter's Cloak    C  Enchantment – Aura Enchant creature When Specter's Cloak enters the battlefield, each opponent discards a card. When enchanted creature dies, each opponent discards a card.	Planner’s Gambit    C  Instant Until end of turn, whenever a creature you control blocks, draw a card then discard a card. “I just needed to see your weakness” -Kairu the Spear Master	Flying Fortress Guard    C  Creature – Elemental Knight Flying, vigilance Exile Flying Fortress Guard: Flying Fortress Guard's owner creates four Treasure tokens. Only opponents may activate this ability. 3/7	Dark Elf Blight Hexer    C  Creature – Elf Assassin Sacrifice an enchantment: Target creature gains deathtouch until end of turn. 1/2	Steal From the Skies    C  Instant Until end of turn target creature gains hexproof and "when this creature deals combat damage to a creature with flying, draw a card."
Keen Senses    C  Enchantment Instants and sorceries you cast during your turn cost less. If an instant you cast during your turn targets a creature you control, that creature gains first strike until end of turn.	Squealing Goretusk    C  Creature – Boar When Squealing Goretusk enters the battlefield, if an opponent was dealt damage this turn, Squealing Goretusk enters the battlefield with a trample counter. Goretusks herald forests of death. 4/4	Test Hover    C  Sorcery Target creature gets +1/+2 and gains flying until end of turn. "You call that flight?" -Garnieckz the Sky Saint	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	Plains    B  Basic Land – Plains

Brik and Ysho, Peasant and Canker (rare)
Tafket, Web King (uncommon)
Blaze-Breath Dragon (uncommon)
Doulyan, Untamed Prince (uncommon)
Potion-Maker's Pack (common)
Specter's Cloak (common)
Planner’s Gambit (common)
Flying Fortress Guard (common)
Dark Elf Blight Hexer (common)
Steal From the Skies (common)
Keen Senses (common)
Squealing Goretusk (common)
Test Hover (common)
Crusher Cow (common)
Plains (basic)