Sakashima's Student [Planechase 2012] Rhino Soldier Whenever a creature attacks this

Whenever a creature attacks this turn

Set: Guilds of Ravnica Type: Instant Rarity: Uncommon Cost: {3}{B} This spell costs {2} less to cast if it targets a legendary creature

Set: Welcome Deck 2017 Type: Enchantment — Aura Rarity: Common Cost: {3}{U} Enchant creature

Set: Magic 2015 Type: Sorcery Rarity: Rare Cost: {5}{W}{W} Destroy all nonwhite creatures

Sakashima's Student [Planechase 2012] Rhino Soldier Whenever a creature attacks thisSet: 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.