Warren Soultrader 414 (Modern Horizons 3) - Retro Condition:NM [When Attacking] You may place

[When Attacking] You may place 2 cards from your trash at the bottom of your deck in any order: Up to 1 of your Leader or Character cards gains +1000 power until the end of your opponent's next turn

• Exile up to X target cards from graveyards

Each artifact you tap after you're done activating mana abilities pays for {1}

You may look at and play those cards for as long as they remain exiled

Sacrifice another creature: Add {B}{B}{B}

Warren Soultrader 414 (Modern Horizons 3) - Retro Condition:NM [When Attacking] You may placePay 1 life, Sacrifice another creature: Create a Treasure token. (It's an artifact with "{T}, Sacrifice this token: Add one mana of any color.")