Sure, they might be able to put them back into a players hand from the battlefield or turn them into Islands, but mono-blue card effects just didnt let you search your deck for them, let alone place them on the battlefield
Rukarumel, Biologist is the back-up commander of the deck, and it turns most creatures you control into the type of your choice
Gains ATK for each card in hand, and adds card to hand for each non-Tuner used for its Summon
MUR Prestige The introduction of Mega Ultra Rares has added a new premium tier, one that instantly propels cards to grail status
C Common Magic Drain X TRAP Counter When your opponent activates a Spell Card: They can discard 1 Spell to negate this card's effect, otherwise negate the activation of their Spell Card, and if you do, destroy it
What Is the Value of the 1/1 Serialized The One Ring