Heartless Hidetsugu + Pariah + The Rollercrusher Ride

Prerequisites

• There are four or more card types among cards in your graveyard.
• Each opponent's life total is 2 or greater.

Steps

1. 1Activate Heartless Hidetsugu by tapping it, dealing damage to each opponent equal to half their life total, rounded down, times 2, and dealing no damage to you due to Pariah.

Effects

• Near-infinite damage