Mana Echoes [Onslaught] Exodus Set: Betrayers of Kamigawa Type:

Set: Betrayers of Kamigawa Type: Instant — Arcane Rarity: Rare Cost: {X}{U}{U} You may exile a blue card with mana value X from your hand rather than pay this spell's mana cost

{T}: Desert deals 1 damage to target attacking creature

Whoever has the most gang members in a city cashes the loot or undergoes the sanction

1 Temple of Triumph

quoting Confucius

Mana Echoes [Onslaught] Exodus Set: Betrayers of Kamigawa Type:Set: Onslaught Type: Enchantment Rarity: Rare Cost: {2}{R}{R} Whenever a creature enters the battlefield, you may add an amount of {C} equal to the number of creatures you control that share a creature type with it. When the ground is saturated with mana, even the lightest footstep can bring it to the surface.