Sakashima's Student [Planechase 2012]Set: Planechase 2012 Type: Creature Human Ninja Rarity: Rare Cost: {2}{U}{U} Ninjutsu {1}{U} ({1}{U}, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand tapped and attacking.) You may have Sakashima's Student enter the battlefield as a copy of any creature on the battlefield, except it's a Ninja in addition to its other creature types.

Then exile the top card of your library

Set: Neo Destiny Unlimited Type: Fire Rarity: Holo Rare Retreat cost: Colorless

the Ravager enters the battlefield

or the effects of attack reaction cards this turn

Set: San Diego Comic-Con 2014 Type: Legendary Planeswalker — Jace Rarity: Mythic Cost: {2}{U}{U} +1: Look at the top two cards of your library

"One for all

Set: Black & White: Dragons Exalted Type: Water Rarity: Rare Retreat cost: Colorless

Set: Ninth Edition Type: Artifact Rarity: Rare Cost: {4} At the beginning of each player's draw step

Set: Sun & Moon: Crimson Invasion Type: Fighting Rarity: Secret Rare Retreat cost: Colorless

Set: Gym Challenge 1st Edition Type: Trainer Rarity: Holo Rare

Set: Judge Gift Cards 2011 Type: Legendary Creature — Faerie Wizard Rarity: Rare Cost: {1}{U}{U} Flash

action card effects that deal arcane damage instead deal that much arcane damage plus X