Faith vs Science DD challenge: 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.
You could alternatively have 15 random cards regardless of rarity.
Ancient Ironworks
 
 U 
Artifact Land
Ancient Ironworks enters the battlefield tapped.
When Ancient Ironworks enters the battlefield, return a land you control to its owner's hand.
T: Add {2} to your mana pool.
 
Sword of the Blessed
{3}{w}{w}
 
 R 
Creature – Angel
Flying
Pray {5}{w}{w}
Whenever you pray, put a +1/+1 counter on each other creature your control.
4/4
Walking Lab
 
 U 
Land
{t}: Add {1} to your mana pool.
{2}{u}{r}: Until end of turn, Walking Lab becomes a blue and red Golem creature with power and toughness equal to the number of artifact cards in your graveyard. It's still a land.
Arch Cathedral
 
 U 
Land
{t}: Add {1} to your mana pool.
{1}{w}{w}, {t}: Put a 1/1 white Cleric creature token onto the battlefield. Activate this ability only if you control five or more creatures.
Sacred Scale
{3}{g}
 
 U 
Creature – Snake
Pray 5GG (5GG :You gain 1 life for each creature you control.)
Whenever you pray, you may put three +1/+1 counters on Sacred Scale.
3/3
Cloister
{2}{w}
 
 C 
Enchantment – Aura
Enchant creature (Target a creature as you cast this. This card enters the battlefield attached to that creature.)
Enchanted creature can't attack or block.
If enchanted creature would die, exile it instead.
Duality Cat
{2}{u}
 
 C 
Creature – Zombie Cat Illusion
When Duality Cat becomes the target of a spell or ability, if it's a Zombie, flip a coin. If you win the flip, it's no longer a Zombie. Otherwise, sacrifice it.
3/4
Uncontrolled Feedback
{2}{u}
 
 C 
Instant
Counter target spell unless it's controller pays {1} for each artifact you control.
The hum of a hundred engines is enough to make any man forget a word or a wiggle.
Cobbled Engine
{3}
 
 C 
Artifact Creature – Construct
Tinker (When this permanent enters the battlefield, you may sacrifice an artifact.)
When Cobbled Engine tinkers, put two 1/1 Myr artifact creature tokens onto the battlefield.
2/2
Elven Preacher
{2}{g}
 
 C 
Creature – Elf Shaman
When Elven Preacher enters the battlefield, draw a card.
{1}{g}{g}, {t}: Pray
1/1
Junker Goblin
{1}{r}
 
 C 
Creature – Goblin
Tinker (When this permanent enters the battlefield, you may sacrifice an artifact.)
When Junker Goblin tinkers, you may discard a card. If you do, draw two cards.
"Diamonds, rubies, gold...Ah, here it is! Iron rod!"
2/1
Rage of the Machines
{2}{r}
 
 C 
Sorcery
Untap target creature and gain control of it until end of turn. That creature gains haste and becomes an artifact until end of turn.
Sunlaced Sands
 
 C 
Land
{2}, {t}: Put a charge counter on Sunlaced Sands.
Remove X charge counters from Sunlaced Sands: Add X mana in any combination of colors to your mana pool.
Sacrament Protector
{1}{w}
 
 C 
Creature – Human Soldier
Whenever you pray, Sacrament Protector gains first strike until end of turn.
3/1
Island
 
 B 
Basic Land – Island

Ancient Ironworks (uncommon, foil)
Sword of the Blessed (rare)
Walking Lab (uncommon)
Arch Cathedral (uncommon)
Sacred Scale (uncommon)
Cloister (common)
Duality Cat (common)
Uncontrolled Feedback (common)
Cobbled Engine (common)
Elven Preacher (common)
Junker Goblin (common)
Rage of the Machines (common)
Sunlaced Sands (common)
Sacrament Protector (common)
Island (basic)