Koskun Falls [Homelands] Magic 2011 Colossus of Sardia doesn't untap

Colossus of Sardia doesn't untap during your untap step

Set: Magic 2011 Type: Creature — Elemental Dog Rarity: Common Cost: {1}{R}{R} {R}: Fiery Hellhound gets +1/+0 until end of turn

Set: Khans of Tarkir Prerelease Promos Type: Instant Rarity: Rare Cost: {R}{W} The next time a source of your choice would deal damage to you this turn

If that mana is spent on an instant or sorcery spell

Set: Amonkhet Invocations Type: Instant Rarity: Mythic Cost: {3}{U}{U} You may pay 1 life and exile a blue card from your hand rather than pay this spell's mana cost

Koskun Falls [Homelands] Magic 2011 Colossus of Sardia doesn't untapSet: Homelands Type: World Enchantment Rarity: Rare Cost: {2}{B}{B} At the beginning of your upkeep, sacrifice Koskun Falls unless you tap an untapped creature you control. Creatures can't attack you unless their controller pays {2} for each creature they control that's attacking you.