mtg commander masters best cards 10 Most Expensive in Creatures you control have haste Commander Masters Preorder | Magic:

The one two punch of making a Hornet Queen and following it with Craterhoof is enough damage output to kill someone with 20 life and the same again in toughness on flying blockers

Fist of Suns [Dragon Deck]: From Fifth Dawn

Legendary Creature - Human Knight Color tag templates(None) Aerith Gainsborough Lifelink Whenever you gain life, put a +1/+1 counter on Aerith Gainsborough

Mechanics Your deck could be built around a key mechanic like doing damage to a player whenever one of your creatures deals combat damage

Another type that is hard to get

The TARDIS card grants players spells the Cascade ability, enabling them to cast spells for free from the deck