Blade Juggler

1, T: Add UR.

Flying When this creature enters, you may discard a card. If you do, investigate twice. T, Tap X untapped artifacts you control: Copy target instant or sorcery spell you control with mana value X. You may choose new targets for the copy.

Flying As this creature enters, you may return a nonland permanent you control to its owner's hand. If you do, this creature enters with a +1/+1 counter on it.

First strike (This creature deals combat damage before creatures without first strike.) Mentor (Whenever this creature attacks, put a +1/+1 counter on target attacking creature with lesser power.)

This creature can't be blocked by more than one creature. Each creature you control with a +1/+1 counter on it can't be blocked by more than one creature.

Menace (This creature can't be blocked except by two or more creatures.)

2U: Target creature can't be blocked this turn.

This land enters tapped. T: Add G or U. 4, T: Investigate. (Create a Clue token. It's an artifact with "2, Sacrifice this token: Draw a card.")