The Magic Bandit (Unknown Event #RB04f)

The Magic Bandit {3}{B}

Legendary Creature — Human Rogue

When The Magic Bandit deals combat damage to an opponent, exile the top card of that player’s library. You may cast that card for as long as it remains exiled, and mana of any type can be spent to cast that spell.

Whenever you cast a spell or play a land you don’t own, copy it.

3/2
Standard
Alchemy
Pioneer
Historic
Modern
Brawl
Legacy
Timeless
Vintage
Pauper
Commander
Penny
Oathbreaker