Trinisphere [Darksteel] Frog Guest When Icefeather Aven is turned

When Icefeather Aven is turned face up

Set: Guilds of Ravnica Type: Creature — Human Rogue Rarity: Common Cost: {1}{U/B}{U/B} Flash

Whenever an opponent casts an instant or sorcery spell

“we offer whatever help we may give in your illustrious name

Those who don't learn from their deaths are destined to repeat them

Trinisphere [Darksteel] Frog Guest When Icefeather Aven is turnedSet: Darksteel Type: Artifact Rarity: Rare Cost: {3} As long as Trinisphere is untapped, each spell that would cost less than three mana to cast costs three mana to cast. (Additional mana in the cost may be paid with any color of mana or colorless mana. For example, a spell that would cost {1}{B} to cast costs {2}{B} to cast instead.)