Omen Machine, and Void Mirror

Prerequisites

• Omen Machine on the battlefield
• Void Mirror on the battlefield

Steps

1. At the beginning of each draw step, Omen Machine prevents the active player from drawing a card, and causes them to exile the top card of their library, and cast that card if its a spell without paying its mana cost, or put it onto the battlefield if it's a land
2. If an opponent casts a spell this way, Void Mirror triggers, countering that spell

Results

• All spells opponents cast using Omen Machine are countered
• Lock
• Players can't draw cards