Let me know if you like anything here and I will develop it more.
Quantum Alternators
Generates a specific quantum and a random quantum on alternate turns
(Upgraded: When played adds 1 of specific quantum)
Life Bush 0/6 -Life 6
P. Heal 1 per turn
A. Fire 2: change to Burning Bush
(Up: 0/8)
Burning Bush n/6 -Life 6
P. -0/-1 at end of each turn. When Burning Bush is destroyed add 1 flame pillar to your side of the field.
(Up: n/8, 2 pillars)
Sheild of Purity - Water 3
P. Player cannot be poisened.
A. Water 2: Remove 1 poisen from target creature.
(Up: Play cost Water 2)
Heatwave - Fire 15+
Spell: For every 5 quanta used inflict 1 damage to each creature on your opponent's side of the field. For each crature killed in this way inflict 2 damage to their life.
(Up: Cost Fire 12+,
1 damage every 4 quanta used.)
Blight - Dark 9+
Spell: Changes the atk of target creature and all creatures of the same color to 0.
(Up: Cost 8+)
Infestation - Life 10+
Spell: Kills target and all creatures of the same name.
(Up: Cost 8+)
Meteor Shower -
Gravity 12+
Spell: Inflicts 2 damage to all enemy units and stuns each unit for 2 turns.
(Up: Cost 10+, 3 damage)