Mystic Forge [Warhammer 40,000] Cat Construct Your fellow collectors in Werebeasts

Your fellow collectors in Werebeasts are also collecting certain creatures that have the most value to them

Creatures your opponents control enter the battlefield tapped

Set: Judge Gift Cards 2018 Type: Legendary Creature — Vedalken Wizard Rarity: Rare Cost: {U}{R} {X}{U}{R}

so you get one of the opponent's cards and they get one of yours

Set: Double Masters 2022 Type: Instant Rarity: Rare Cost: {2}{W} Until your next turn

Mystic Forge [Warhammer 40,000] Cat Construct Your fellow collectors in WerebeastsSet: Warhammer 40,000 Type: Artifact Rarity: Rare Cost: {4} You may look at the top card of your library any time. You may cast artifact spells and colorless spells from the top of your library. {T}, Pay 1 life: Exile the top card of your library.