With all that said, here are my picks
Knight of Autumn Hello Knight of Autumn
If multiple replacement effects would modify the mana an ability you control produces, choose one to apply
(Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays 3 life.) Magecraft Whenever you cast or copy an instant or sorcery spell, create a 1/1 black and green Pest creature token with "When this token dies, you gain 1 life." Creature - Human Warlock Color tag templates(None) Siege-Gang Commander When this creature enters, create three 1/1 red Goblin creature tokens
(A copy of a permanent spell becomes a token.) Whenever an opponent casts an artifact, instant, or sorcery spell, counter that spell
To amass X, put X +1/+1 counters on an Army you control