Misc Design for future sets.: Virtual Booster

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This booster was generated with modern collation since the cardset contains mythics: 1 rare / mythic, 3 uncommons, 10 commons, 1 basic land, 1 token.
You could alternatively have 15 random cards regardless of rarity.
 R 
Legendary Artifact Creature – Construct
Flying, Vigilance, Double Strike
When Paper ninja is targeted by a spell or ability return Paper ninja to it’s owners hand.
1/1
 U 
Instant
Destroy target aura.
At the beginning of your upkeep if there is an aura on the battlefield, you may return Aura Errosion to the top of your library.
 U 
Sorcery
Each player chooses a land they control at random. Then each player gives control of that land to an opponent of their choice.
Buyback {2}
 U 
Enchantment
Whenever a creature card you control goes to the graveyard from anywhere you may gain 1 life.
 C 
Creature – Elemental
Flash
When Fury Charmling enters the battlefield choose one — Destroy target artifact; or target creature gets +1/+1 and gains trample until end of turn; or remove two time counters from target permanent or suspended card.
1/1
 C 
Creature – Elf Warrior
{t}Return ~ to your hand: add {r} or {g} to your mana pool.
1/1
 C 
Artifact Creature – Bird
Flying
Affinity for plains
2/2
{2}{u}
 
 C 
Instant
Scry 5
Memorized {u}{u} (At the beginning of your upkeep, you may pay {u}{u}, if you do return Rethink from your graveyard to your hand.)
 C 
Creature – Beast
Restless {5}{g}{g} (At the beginning of your upkeep, you may pay {5}{g}{g}. If you do, return this card from your graveyard to the battlefield.)
4/4
 C 
Artifact – Equipment
Equipped Creature gains +2/+1 and has Intimidate
Equip {3} or {b}{b}.
 C 
Sorcery
Target player discards two cards.
At the beginning of your next upkeep target player discards a card
 C 
Creature – Elemental
Flash
When Emerald Charmling enters the battlefield choose one — Untap target permanent; or destroy target non-Aura enchantment; or target creature loses flying until end of turn.
1/1
 C 
Instant
Forests you control become 0/4 Treefolk creatures with reach until end of turn.
 C 
Creature – Spirit
Defender
Whenever Spirit Guardian is dealt damage you gain that much life.
Whenever a creature deals combat damage to you sacrifice Spirit Guardian
0/5
 B 
 
When you Planeswalk to or away from Seku, Shores of Summoning each player may search there library for a creature card and put it onto the battlefield, then shuffles their library.
Search your library for a creature and put it onto the battlefield, shuffle your library.
 T 
Creature – Bear
2/2

Paper ninja (rare)
Aura Errosion (uncommon)
Land Swap (uncommon)
Grave Blessings (uncommon)
Fury Charmling (common)
Card31331 (common)
Card32973 (common)
Rethink (common)
Reborn Baloth (common)
Plated Fear (common)
Fading thoughts (common)
Emerald Charmling (common)
Card32825 (common)
Spirit Guardian (common)
Seku, Shores of Summoning (basic)
Baby Bear (token)