Lightning FormRRR
Enchantment - Aura (R)
Enchant creature.
Enchanted creature loses all abilities and becomes a red 6/1 elemental creature with trample.
At the end of turn, sacrifice ~.
Impeach & Empower2WW
Sorcery (R)
Exile the creature with highest power. It's owner gains life equal to its toughness.
If the exiled creature was white, other white creature's power becomes X until end of turn, where X is equal to the exiled creature's power.
Electrified Cache2RR
Instant (Rare)
Add R to your mana pool for each card in your hand. Hellbent - Until end of turn, spells in your hand cost R instead of their printed casting cost. (Spells with X still have X as part of their cost.)
Life WarpWB
Instant (Rare)
Warp 2 (As an additional cost to playing this spell, you may pay 2. If you do, it resolves with its Warp ability.)
Your life total becomes equal to target opponent's life total. If you paid the Warp cost, target opponent's life total becomes equal to your life total instead.
Sacrificial Offering2WW
Sorcery (Rare)
Exile target creature. Its controller gains life equal to its toughness and creatures get +X/+X until end of turn, where X is equal to half its power, rounded down.
Carbon Copier :sympu::sympu:
Artifact Creature - Construct (Uncommon)
Whenever you add U to your mana pool for the first time each turn, you may add 1 to your mana pool.
2/1
Dark WarriorBB
Creature - Human Soldier (Uncommon)
At the beginning of your upkeep, if ~ is not enchanted, it gets +2/+0 until end of turn and you lose 1 life.
1/3
Hold Captive 2WW
Enchantment - Aura
Enchant creature.
You control enchanted creature.
Enchanted creature cannot attack or block.
Wrath of Gaea 2GG
Sorcery
All creatures become forests.
Lightning Form RRR
Enchantment - Aura (R)
Enchant creature.
Enchanted creature loses all abilities and becomes a red 6/1 elemental creature with trample.
At the end of turn, sacrifice ~.
Temporary Solution 2RR
Enchantment (R)
As you play ~, draw four cards.
Skip your draw step.
Mud-Strutter Zombie B
Creature - Zombie (C)
Whenever ~ would be dealt damage, it becomes a swamp.
2/2
Impeach & Empower 2WW
Sorcery (R)
Exile the creature with highest power. It's owner gains life equal to its toughness.
If the exiled creature was white, other white creature's power becomes X until end of turn, where X is equal to the exiled creature's power.
Volcanic Eulogy RRR
Enchantment (R)
If a creature you control would die, it becomes a mountain instead.
Mountaincycling 0
Well Wall 1W
Creature - Wall (C)
Defender
T: Add U to your mana pool.
0/4
Instant (Rare)
Add R to your mana pool for each card in your hand.
Hellbent - Until end of turn, spells in your hand cost R instead of their printed casting cost. (Spells with X still have X as part of their cost.)
My other vote goes to MDenham.
Instant (Rare)
Warp 2 (As an additional cost to playing this spell, you may pay 2. If you do, it resolves with its Warp ability.)
Your life total becomes equal to target opponent's life total. If you paid the Warp cost, target opponent's life total becomes equal to your life total instead.
Land (Uncommon)
T: Add one mana of any color to your mana pool. Spend this mana only on creatures without abilities.
Sorcery (Rare)
Exile target creature. Its controller gains life equal to its toughness and creatures get +X/+X until end of turn, where X is equal to half its power, rounded down.
Artifact Creature - Construct (Uncommon)
Whenever you add U to your mana pool for the first time each turn, you may add 1 to your mana pool.
2/1
Creature - Human Soldier (Uncommon)
At the beginning of your upkeep, if ~ is not enchanted, it gets +2/+0 until end of turn and you lose 1 life.
1/3
Instant (Rare)
Your life total becomes equal to X, where X is equal to the life total you had at the beginning of this turn's upkeep.