Frostwalk Bastion [Modern Horizons] Phyrexian Elf Warrior If this card is sent

If this card is sent from the Deck to the GY by a "Lightsworn" monster's effect: You can Special Summon 1 "Lightsworn" monster from your hand

Goblin Dirigible doesn't untap during your untap step

When your opponent declares a direct attack

Set: Modern Masters 2015 Type: Artifact Land Rarity: Common Indestructible

Frostwalk Bastion [Modern Horizons] Phyrexian Elf Warrior If this card is sentSet: Modern Horizons Type: Snow Land Rarity: Uncommon {T}: Add {C}. {1}{S}: Until end of turn, Frostwalk Bastion becomes a 2 3 Construct artifact creature. It's still a land. ({S} can be paid with one mana from a snow source.) Whenever Frostwalk Bastion deals combat damage to a creature, tap that creature and it doesn't untap during its controller's next untap step.