Exploration [Urza's Saga] Human Advisor "I'll teach you the leyline

"I'll teach you the leyline paratrigonometrics

Set: Mirrodin Besieged Promos Type: Sorcery Rarity: Rare Cost: {X}{B}{B} Put X -1/-1 counters on each creature

−2: When you cast your next instant or sorcery spell this turn

All was quiet until suddenly …

Set: Secret Lair Drop Series Type: Legendary Artifact Creature — Human Wizard Rarity: Mythic Cost: {2}{W}{U}{B} At the beginning of your upkeep

Exploration [Urza's Saga] Human Advisor "I'll teach you the leylineSet: Urza's Saga Type: Enchantment Rarity: Rare Cost: {G} You may play an additional land on each of your turns. The first explorers found Argoth a storehouse of natural wealthtowering forests grown over rich veins of ore.