Soramaro, First to Dream [Saviors of Kamigawa] Mercadia It cannot attack or activate

It cannot attack or activate its effects

and a special effect to the Xyz Monsters and there are lots of ways to add more Xyz Materials

monsters your opponent controls cannot declare and attack if their ATK is greater than or equal to this card's DEF

you can negate the activation and effect of any Spell Card and destroy them

Soramaro, First to Dream [Saviors of Kamigawa] Mercadia It cannot attack or activateSet: Saviors of Kamigawa Type: Legendary Creature Spirit Rarity: Rare Cost: {4}{U}{U} Flying Soramaro, First to Dream's power and toughness are each equal to the number of cards in your hand. {4}, Return a land you control to its owner's hand: Draw a card.