Geist-Armor Trooper "Raiden"

• While you have at least 1 allied unit with no abilities, this has the following abilities:

-"Merciless Justice" - Instant Action: [Put this into the graveyard or [DR 4].] Choose 1 card or ability being played that is [Sentinel Summoning] or would special summon 1 or more units. Negate the chosen card or ability. Then, put the card that was chosen or had used the chosen ability into the graveyard.

-Your opponent can only draw cards through their [Start of Turn] (they can still add cards to their hand).