Mindless Automaton + Conclave Mentor + Iron Man, Armored Avenger

Mindless Automaton

Conclave Mentor

Iron Man, Armored Avenger

How it works

1. Activate Mindless Automaton by removing two +1/+1 counters from it, causing you to draw a card.
2. Iron Man triggers, putting two +1/+1 counters on Mindless Automaton due to Conclave Mentor
3. Repeat.

This clever engine turns card draw into a self-sustaining loop by feeding the very counters it consumes. When you activate Mindless Automaton to draw a card, Iron Man, Armored Avenger triggers and targets the automaton with a counter, an effect that Conclave Mentor supercharges into two new +1/+1 counters. Since the automaton replaces the exact two counters you just spent to draw, you are free to repeat the process indefinitely for infinite card draw and draw triggers.