Nicol dragon (EDH / Commander)

This deck has 3 Combos:
a) Chain of Smog + Ral, Storm Conduit = Infinite dmg
Requires: Ral on the battlefield. Chain of Smog in hand as well as 1 generic and 1 black mana
1: Target yourself with Chain of Smog and copy your own Chain of Smog, targeting yourself again.
2: Repeat the process enough times to defeat your opponent with the Ral, Storm Conduit's static ability.

b) Jace, Cunning Castaway + Nicol Bolas, Dragon-God + The Chain Veil = Infinite card draw. Exiles all cards from opponents' hands. Exiles permanents opponents control. Infinite creature tokens. Infinite ETB.
Requires: All permanents on the battlefield. Nicol Boas has at least 4 loyalty.
1: Activate The Chain Veil.
2: Activate one of Bolas's +1 abilities.
3: Activate Bolas's -5 ability which you have access to due through Bolas's static ability, generating two Nicol planeswalker tokens.
4: Repeat steps 2-3.

c) Chandra, Acolyte of Flame + Jace, Cunning Castaway + Nicol Bolas, Dragon-God = Infinite planeswalker tokens
Requires: Jace and Chandra on the battlefield with Bolas in hand.
1: Cast Bolas.
2: Use Chandra's 0 ability to add a counter to all Bolases.
3: Use Jace's -5 ability but with Bolas instead, generating two Bolas tokens.
4: Use one token to repeat step 2 and the other to repeat step 3.
5: Repeat step 4.