Mox Opal [Modern Masters 2015] Plains Swamp None know if this Giant

None know if this Giant is the result of aberrant magics

{T}: Target player discards a card

Set: Arabian Nights Type: Creature — Human Rarity: Uncommon Cost: {U} Merchant Ship can't attack unless defending player controls an Island

Set: Time Spiral Timeshifted Type: Creature — Zombie Rarity: Rare Cost: {2}{B}{B} Zombie spells you cast cost {1} less to cast

"Know your foes' strengths as well as their weaknesses

Mox Opal [Modern Masters 2015] Plains Swamp None know if this GiantSet: Modern Masters 2015 Type: Legendary Artifact Rarity: Mythic Cost: {0} Metalcraft {T}: Add one mana of any color. Activate only if you control three or more artifacts. The suns of Mirrodin have shone upon perfection only once.