Steely Resolve [Onslaught] Shadowmoor if that spell's mana cost

if that spell's mana cost is {3}{U}{U}

you may remove any number of +1/+1 counters from Tetravus

Set: Betrayers of Kamigawa Promos Type: Legendary Creature — Rat Ninja Rarity: Rare Cost: {4}{B}{B} Ninjutsu {3}{B}{B} ({3}{B}{B}

Set: Limited Edition Alpha Type: Artifact Uncommon Cost: {1} Whenever a player casts a blue spell

Set: Zendikar Type: Artifact Mythic Cost: {6} Eternity Vessel enters the battlefield with X charge counters on it

Steely Resolve [Onslaught] Shadowmoor if that spell's mana costSet: Onslaught Type: Enchantment Rare Cost: {1}{G} As Steely Resolve enters the battlefield, choose a creature type. Creatures of the chosen type have shroud. (They can't be the targets of spells or abilities.) No one in Wirewood understands what is happening. They just know it's unnaturaland coming from Krosa.