Silent-Blade Oni [Commander 2018] Volver create a token that's a

create a token that's a copy of that creature except it's an artifact in addition to its other types

A smoldering storm of chilling fire

Set: Mystery Booster Type: Creature — Vampire Shaman Rarity: Uncommon Cost: {1}{B}{B} Flying

where X is the number of cards put into their graveyard from anywhere this turn

Impossibly tall

Silent-Blade Oni [Commander 2018] Volver create a token that's aSet: Commander 2018 Type: Creature Demon Ninja Rarity: Rare Cost: {3}{U}{U}{B}{B} Ninjutsu {4}{U}{B} ({4}{U}{B}, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand tapped and attacking.) Whenever Silent Blade Oni deals combat damage to a player, look at that player's hand. You may cast a spell from among those cards without paying its mana cost.