(Generic)Isekai/Dungeon Test concepts: Virtual Booster

Omz, Light Elf Progenitor    R  Legendary Creature – Elder Elf 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.) At the beginning of your upkeep, reveal the top five cards of your library. Each creature revealed this way into your hand and the rest on the bottom of your library in any order. Shuffle five creatures into their owner's libraries: Return Omz, Light Elf Progenitor from your graveyard to the battlefield. 5/5	Celestial Amphiptere    R  Creature – Dragon Angel Flying When Celestial Amphiptere enters the battlefield, exile target instant or sorcery from your graveyard and gain life equal to its mana value. Until end of turn, you may cast a copy of that card. 5/5	Baishes, Ever-Tired    U  Legendary Creature – Salamander Boss Flash, Ward Tier 2 (Tier 2 creatures aren't legendary as long as you control a Tier 3 or higher creature.) Whenever Baishes, Ever-Tired deals combat damage to a player you may pay . If you do, target permanent doesn't untap during its controller's next untap step. 3/5	Jyale Bog Monsquito    U  Creature – Insect Flying When Jyale Bog Monsquito attacks, you may pay 3 life. If you do, each opponent loses 1 life and sacrifices a token they control. 1/3	Cheline, Light Elf Gate Keeper    U  Legendary Creature – Elf Cleric Boss Vigilance 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, gain 1 life for each untapped creature you control. At the beginning of your upkeep, if you have more life than each opponent, distribute up to two +1/+1 counters among one or two target creatures. 3/4
Large Coin    C  Artifact – Treasure Reward (If a creature an opponent controls left the battlefield this turn, you may cast this spell for its reward cost..) Large Coin enters the battlefield tapped. As long as you control three or more Treasure tokens, Large Coin is a colorless 1/1 creature in addition to its other types.	Salaxam, Moonlight Agent    C  Legendary Creature – Vampire Boss Vigilance, deathtouch Tier 1 (Tier 1 creatures aren't legendary as long as you control a Tier 2 or higher creature.) : Salaxam, Moonlight Agent gains lifelink until end of turn. When Salaxam dies, you may put a vigilance counter or a deathtouch counter on target Boss. 3/3	Spear Master's Strike    C  Instant Deal 4 damage to target creature or planeswalker. If you control a legendary creature, this damage can't be prevented. "Range is everything." -Kairu, the Spear Master	Driel, the Body Gardener    C  Legendary Creature – Elf Druid Boss Trample Tier 1 (Tier 1 creatures aren't legendary as long as you control a Tier 2 or higher creature.) Whenever Driel, the Body Gardener or another creature dies, you may pay . If you do, create a 1/1 green Saproling token. 4/4	Su-Ahman, Thieving Wing    C  Legendary Creature – Drake Boss Flying Tier 1 (Tier 1 creatures aren't legendary as long as you control a Tier 2 or higher creature.) : Until end of turn, target creature with flying you control gain "Whenever this creature deals combat damage to a player, draw a card, then discard a card." 3/3
Merfolk Looter    C  Creature – Merfolk Rogue : Draw a card, then discard a card. The Sea of Kalth is filled with treasures, but few except the merfolk risk the treacherous waters. 1/1	Fanlaed, Raised by Beasts    C  Legendary Creature – Elf Wizard Boss Tier 1 (Tier 1 creatures aren't legendary as long as you control a Tier 2 or higher creature.) During your combat phase, instants you cast cost less for each untapped creature you control. 2/2	Angel Food Cake    C  Artifact Creature – Angel Food Flying When Angel Food Cake dies, if you may pay . If you do, target creature you control gains flying until end of turn. ,., Sacrifice this artifact: You gain 3 life. 3/5	Rupture the Future    C  Sorcery Target opponent discards two cards. Create a Treasure token for each Boss discarded this way.	Swamp    B  Basic Land – Swamp

Omz, Light Elf Progenitor (rare, foil)
Celestial Amphiptere (rare)
Baishes, Ever-Tired (uncommon)
Jyale Bog Monsquito (uncommon)
Cheline, Light Elf Gate Keeper (uncommon)
Large Coin (common)
Salaxam, Moonlight Agent (common)
Spear Master's Strike (common)
Driel, the Body Gardener (common)
Su-Ahman, Thieving Wing (common)
Merfolk Looter (common)
Fanlaed, Raised by Beasts (common)
Angel Food Cake (common)
Rupture the Future (common)
Swamp (basic)