Aincrad

Aincrad enters the battle tapped
Aincrad taps for 5 mana of any color
Aincrad cannot be destroyed by card effects
When a land enters the battlefield Aincrad gets a Sword counter
At the beginning of your upkeep if Aincrad has 25 or more Sword counters on it you win the game
If this card has 10 Sword counters on it you can remove all the Sword counters in order to make this land a 16/16 Legendary Land Creature with trample
*This card can be your Commander*