Helper
MKC #220

Wavesifter

Creature — Elemental
Wavesifter
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Wavesifter

Flying When this creature enters, investigate twice. (To investigate, create a Clue token. It's an artifact with ",Sacrificethis token: Draw a card.") Evoke (You may cast this spell for its evoke cost. If you do, it's sacrificed when it enters.)

Card Information

Color: G U
Identifies: G U
Cost:
CMC: 5
Types: Creature
Subtypes: Elemental
P/T: 3 / 2
Rarity: common
Languages:
Layout: normal
Rank:
#9,417
Saltiness:
0 / 4.0

Official Rulings

2021-06-18
The token is named Clue Token and has the artifact subtype Clue. Clue isn't a creature type.
2021-06-18
The tokens are normal artifacts. For example, one can be sacrificed to activate the ability of Breya's Apprentice and one can be the target of Break Ties.
2021-06-18
You can't sacrifice a Clue to activate its own ability and also to activate another ability that requires sacrificing a Clue (or any artifact) as a cost, such as that of Lonis, Cryptozoologist.