Island Fish Jasconius [Arabian Nights] Insect Shade If each of those creatures

If each of those creatures could block all creatures that the other is blocking

"It's not a matter of deserving

"This exhibition of Nehra's Threshold Principle must be expropriated and examined for its potential applications in enforcement

Sacrifice Misty Rainforest: Search your library for a Forest or Island card

and sometimes it's right there in front of you

Island Fish Jasconius [Arabian Nights] Insect Shade If each of those creaturesSet: Arabian Nights Type: Creature Fish Rarity: Rare Cost: {4}{U}{U}{U} Island Fish Jasconius doesn't untap during your untap step. At the beginning of your upkeep, you may pay {U}{U}{U}. If you do, untap Island Fish Jasconius. Island Fish Jasconius can't attack unless defending player controls an Island. When you control no Islands, sacrifice Island Fish Jasconius.