(They have "Whenever a creature you control enters, if it has greater power or toughness than this token, put a +1/+1 counter on this token." They see this creature enter.) : Create a 0/1 colorless Eldrazi Spawn creature token with "Sacrifice this token: Add ." 9.2/10$0.31 Emrakul's Messenger Creature Eldrazi Faerie Rogue 2/1 Devoid (This card has no color.) Flying Whenever you draw your second card each turn, create a 0/1 colorless Eldrazi Spawn creature token with "Sacrifice this token: Add ." 9.2/10$0.31 Emrakul's Messenger Creature Eldrazi Faerie Rogue 2/1 Devoid (This card has no color.) Flying Whenever you draw your second card each turn, create a 0/1 colorless Eldrazi Spawn creature token with "Sacrifice this token: Add ." 5.3/10$0.08 Scion Summoner Creature Eldrazi Drone 2/2 Devoid (This card has no color.) When this creature enters, create a 1/1 colorless Eldrazi Scion creature token

If this card is sent from the field to the GY: Add, from your Deck to your hand, 1 Equip Spell that mentions "Ogerpon, the Masked Guardian", except "Mask of Cornerstone"
Some of the cards that almost made my short list included Mana Reflection, Mind over Matter, and Sterling Grove
- Description from Publisher
Q: Why invest in the first Extra Booster versus newer releases
Its a good effect for putting the cards you normally want to search for, like Speedroid Taketomborg or the Metalfoes Spell/Trap Cards, back into the Deck while replacing them with a card you can hopefully use right away