Create a Commander.

[Splicer]

Lazurus, Nyx Shaper
{1}{W}{W}{B}{B}
Legendary Enchantment Creature-Illusion
Bestow{2}{W}{W}{B}{B}
Indestrucible
You may cast bestow creatures from the battlefield.
Whenever an enchanted creature you control attacks, target player discards X cards and you draw X cards, where X is that creature's power.
Enchanted creature gets +3/+3 and is indestructible.
3/3
"The gods may live in nyx, but HE is their architect."-Elspeth

[DylanW18]

Ouroboros, God of Time   {10}{U}{U}{U}{U}{U}

Legendary Enchantment Creature - God Dragon


Flash

As long as your devotion for blue is less than 10, Ouroboros, God of Time is not a creature.

Indestructible

Will of the Council - Whenever you cast Ouroboros, God of Time, starting with you, all players vote anonymously for The Beginning or The End. If The Beginning gets more votes or the vote is tied, restart the game. If The End gets more votes, starting with you, all players vote anonymously on who loses the game. The caster of this spell cannot be chosen to lose the game. Players who lost the game this way do not rejoin if The Beginning is chosen.

"I am."

10/10
   

[The1337Magician]

Boleví, Revolutionary Leader              {1}{R}{R}
Legendary Creature -- Human Warrior
Dethrone (Whenever this creature attacks the player with the most life or tied for the most life, put a +1/+1 counter on it.)
Parley -- {T}: Each player reveals that top card of his or her library. For each non-land card revealed this way, Boleví deals 2 damage to each player.
                                                                      3/3

[DylanW18]

^ that parley is sweet

[The1337Magician]

Uraile, Champion of Xenagos             {3}{R}{G}
Legendary Creature -- Human Soldier
Haste, First Strike
Heroic -- Put a +1/+1 counter on Uraile. Tap him and he fights target creature.
Inspired -- Target creature gets +3/+3 until end of turn.
                                                                      3/3

[DylanW18]

What's his power/toughness? Haha

[The1337Magician]

Cora, Terror of Oreskos                       {3}{R}{B}
Legendary Creature -- Minotaur Shaman
Trample
Tribute 5
{5}{R}{B}: Monstrosity 5.
When Cora enters the battlefield and its tribute cost wasn't paid it or when it becomes monstrous it deals 5 damage to each opponent.
                                                                      5/5

[The1337Magician]

Yeltai, Priest of Karametra                  {3}{G}{W}
Legendary Enchantment Creature -- Human
Bestow {5}{G}{W}
Lifelink
Enchanted creature gets +3/+3 and has lifelink. Whenever Yeltai or enchanted creature attacks, search your library for a Forest or Plains card and put it into your hand.
Constellation -- When Yeltai or another enchantment enters the battlefield under your control, add X mana to your mana pool where X is half of its mana cost rounded up.
                                                                      3/3

[Skyshadow731]

Horobi, death collector {B}{W}{4}
Legendary Creature- spirit
Indestructible
Flying
When ever a creature is targeted by a spell or ability, destroy that creature

When ever a creature dies, you may pay 2 and give all black creatures you control shroud until end of turn.
 
Whenever a black creature you control dies each opponent may choose to sacrafice a creature or take 2 damage, you gain life equal to the amount loss this way

6/6.

[DylanW18]

Raphael, Storm Caller       {1}{W}{G}{R}

Legendary Creature - Human Soldier

Double Strike

Raphael, Storm Caller cannot be blocked except by 3 or more creatures

{R}: Deal 1 damage to target creature
{W}: Put a 1/1 white Soldier creature token into the battlefield
{G}: You gain 1 life

4/1

[LordJanova]

Raphael, Storm Caller       {1}{W}{G}{R}

Legendary Creature - Human Soldier

Double Strike

Raphael, Storm Caller cannot be blocked except by 3 or more creatures

{R}: Deal 1 damage to target creature
{W}: Put a 1/1 white Soldier creature token into the battlefield
{G}: You gain 1 life

4/1

I really like this one, he's really balanced.

[The1337Magician]

Treisa, Time Mage                                    {4}{U}
Legendary Creature -- Human Wizard
Flash, Split second
Spells you own have flash.
Whenever a spell is countered, gain control of target permanent.
                                                                      0/3

[FlickerYourOwnIdentity]

Gira, Master Splicer      {B}{G}{R}{U}{W}
Legendary Creature - Splicer

When Gira, Master Splicer enters the battlefield, put two 3/3 golem artifact creatures onto the battlefield.
Sacrifice two Golems: Search your library for a Splicer or Golem, and put it in your hand, shuffle your deck.
Golems you control are Industructible.

"These were pieces of metal a couple of hours ago, and now they are pieces of metal that can destroy things at my will."
2/3

[FlickerYourOwnIdentity]

Imagine all the colored mana in this casting cost being phyrexian mana or that color

Reosh, Praetor of Phyrexia  {B}{G}{R}{U}{W}{5}
Legendary Creature - Praetor

As long as Reosh, Praetor of Phyrexia is on the battlefield, colored mana in the casting cost of cards in you hand is to be treated as phyrexian mana of that color.

"Aren't I perfect"
5/5

[Xaol]

Reorx, Dwarven Smith 2 {R} {R}

{1} Sacrifice an artifact: Reorx does damage to target creature or player equal to the number of mountains you control. You may search your library for an artifact card with converted mana cost less than that of the sacrificed card and put it in your hand.
2/3