Yidaro, Wandering Monster is a rare Legendary Creature — Dinosaur Turtle card from Magic Online Promos (PRM), collector number 80921.
Trample, haste Cycling {1}{R} When you cycle this card, shuffle it into your library from your graveyard. If you've cycled a card named Yidaro, Wandering Monster four or more times this game, put it onto the battlefield from your graveyard instead. (Do this before you draw.)