Kraum, Ludevic's Opus

Flying, haste
Whenever an opponent casts their second spell each turn, draw a card.
Partner (You can have two commanders if both have partner.)
Card Type Breakdown
Artifact
12 cards
Land
33 cards
Sorcery
13 cards
Instant
18 cards
Creature
13 cards
Enchantment
7 cards
Planeswalker
2 cards