Ghyrson Starn, Kelermorph [Warhammer 40,000] Wrenn It operates on necessity

It operates on necessity

Set: Legends Type: Artifact Rarity: Rare Cost: {6} Sword of the Ages enters the battlefield tapped

In addition to a button cost and time cost

Set: Antiquities Type: Enchantment Rarity: Uncommon Cost: {3}{B} Whenever an artifact becomes tapped or a player activates an artifact's ability without {T} in its activation cost

Maybe they'll find planets with good ore or carbon deposits — or perhaps only barren ice planets

Ghyrson Starn, Kelermorph [Warhammer 40,000] Wrenn It operates on necessitySet: Warhammer 40,000 Type: Legendary Creature Tyranid Human Rarity: Rare Cost: {1}{U}{R} Ward {2} (Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays {2}.) Three Autostubs Whenever another source you control deals exactly 1 damage to a permanent or player, Ghyrson Starn, Kelermorph deals 2 damage to that permanent or player.