Mystic Sanctuary (Timeshifted) [Time Spiral Remastered] Future Sight Set: Darksteel Type: Artifact —

Set: Darksteel Type: Artifact — Equipment Uncommon Cost: {1} Equipped creature gets +1/-1

it gets +4/+4 until end of turn for each creature blocking it beyond the first

Set: Starter 1999 Type: Creature — Goblin Rarity: Uncommon Cost: {3}{R} When Goblin Settler enters the battlefield

Not content with mere answers

Mystic Sanctuary (Timeshifted) [Time Spiral Remastered] Future Sight Set: Darksteel Type: Artifact —Set: Time Spiral Remastered Type: Land Island Rarity: Special ({T}: Add {U}.) Mystic Sanctuary enters the battlefield tapped unless you control three or more other Islands. When Mystic Sanctuary enters the battlefield untapped, you may put target instant or sorcery card from your graveyard on top of your library.