Riptide Entrancer

Ninjutsu (, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand tapped and attacking.)

Whenever this creature deals combat damage to a player, you may return target creature that player controls to its owner's hand.

Flying

Whenever this creature deals combat damage to a player, you may sacrifice it. If you do, draw three cards.

Whenever this creature deals combat damage to a player, that player exiles the top ten cards of their library.

Morph (You may cast this card face down as a 2/2 creature for . Turn it face up any time for its morph cost.)

Whenever Piper Wright deals combat damage to a player, investigate that many times. (To investigate, create a Clue token. It's an artifact with ", Sacrifice this token: Draw a card.")

Whenever you sacrifice a Clue, put a +1/+1 counter on target creature you control.

Shroud (This creature can't be the target of spells or abilities.)

Whenever this creature deals combat damage to a player, you may draw a card.

Shadow (This creature can block or be blocked by only creatures with shadow.)

Whenever this creature attacks and isn't blocked, you may sacrifice it. If you do, gain control of target creature. (This effect lasts indefinitely.)