Interrogation Robot [Unknown Event] Pest put a +1/+1 counter on

put a +1/+1 counter on Sephiroth

He called his creations "centaurs" and unleashed them unto the wastes

+1: You draw a card

Set: Mystery Booster Type: Enchantment Rarity: Rare Cost: {3}{B}{B} Flash

Set: Unknown Event Type: Creature — Phyrexian Rarity: Common Cost: {3}{R}{R} Oildying (When this creature dies

Interrogation Robot [Unknown Event] Pest put a +1/+1 counter onSet: Unknown Event Type: Artifact Creature Construct Rarity: Uncommon Cost: {3} {T}, Discard a card: Choose a card name that hasn't been chosen among Who, What, When, Where, and Why. Create a copy of the card with the chosen name. You may cast the copy. (You still pay its costs. Who What When Where Why is a split card from Unhinged.)