Miracle Jurassic Egg (POTD-EN021) [Power of the Duelist]

While this card is face-up on your side of the field, this card cannot be removed from play. Place 2 counters on this card each time a Dinosaur-Type Monster Card is sent to your Graveyard. By Tributing this card, select and Special Summon 1 Dinosaur-Type monster from your Deck whose Level is equal to or lower than the number of counters on this card when it was Tributed.