Diamond City (Extended Art) [Fallout] Two-Headed Giant Tournament each of those creatures has

each of those creatures has "At the beginning of combat on your turn

Set: Alpha Edition Type: Artifact Rarity: Rare Cost: {4} {4}

000 Type: Artifact Creature — Insect Rarity: Rare Cost: {4} Vigilance

you may exile target creature card with lesser power from your graveyard

A 2-player variant is included in the rule book

Diamond City (Extended Art) [Fallout] Two-Headed Giant Tournament each of those creatures hasSet: Fallout Type: Land Rarity: Rare Diamond City enters the battlefield with a shield counter on it. T: Add C. T: Move a shield counter from Diamond City onto target creature. Activate only if two more more creatures entered the battlefield under your control this turn.