Silent-Blade Oni [Planechase Anthology] Vedalken Artificer Whenever another nontoken Dragon enters

Whenever another nontoken Dragon enters the battlefield under your control

Set: Alpha Edition Type: Creature — Illusion Rarity: Uncommon Cost: {3}{U} Flying

(It's an artifact with "{T}

Set: Ixalan Prerelease Promos Type: Creature — Vampire Knight Rarity: Rare Cost: {2}{B}{B} Whenever a Vampire you control attacks

then choose another target for each time this spell was kicked

Silent-Blade Oni [Planechase Anthology] Vedalken Artificer Whenever another nontoken Dragon entersSet: Planechase Anthology 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.