Masterful Ninja's first activated ability doesn't cause any enters-the-battlefield abilities to trigger. When the turn ends and Masterful Ninja stops being both on the battlefield and in your hand, this won't cause any dies or leaves-the-battlefield abilities to trigger. If Masterful Ninja enters or leaves the battlefield some other way, those abilities work as normal.
2018-01-19
wotc
Look closer.
2018-01-19
wotc
It's right there.
2018-01-19
wotc
If you try to move Masterful Ninja from the battlefield to your hand or vice versa, and it's in both zones, it will just stay in both zones. For example, if Masterful Ninja is in both zones, casting Unsummon targeting it won't do anything.
2018-01-19
wotc
If Masterful Ninja is destroyed or discarded, it goes to your graveyard. It will no longer be on the battlefield or in your hand.
Format Legality
Standard
Not Legal
Future
Not Legal
Historic
Not Legal
Timeless
Not Legal
Gladiator
Not Legal
Pioneer
Not Legal
Modern
Not Legal
Legacy
Not Legal
Pauper
Not Legal
Vintage
Not Legal
Penny
Not Legal
Commander
Not Legal
Oathbreaker
Not Legal
Standardbrawl
Not Legal
Brawl
Not Legal
Alchemy
Not Legal
Paupercommander
Not Legal
Duel
Not Legal
Oldschool
Not Legal
Premodern
Not Legal
Predh
Not Legal
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