Grindstone [Tempest] Future Sight Roar of the World is

Roar of the World is in the command zone or on the battlefield

{B}: Regenerate Will-o'-the-Wisp

Set: Alpha Edition Type: Instant Rarity: Common Cost: {1}{R} Destroy target artifact

Set: Portal Three Kingdoms Type: Legendary Creature — Human Advisor Rarity: Rare Cost: {1}{G}{G} Hexproof (This creature can't be the target of spells or abilities your opponents control

Grindstone [Tempest] Future Sight Roar of the World isSet: Tempest Type: Artifact Rarity: Rare Cost: {1} {3}, {T}: Target player mills two cards. If two cards that share a color were milled this way, repeat this process. "Memory is a burden that wears at the soul as weather wears at stone." Crovax