Abaddon the Despoiler costs five mana for a 5/5 with trample, but his most important effect is his static ability, Mark of Chaos Ascendant
Most fans won't have first-edition cards in good condition, but these are far from the only expensive Pokmon cards worth caring about
This lays down a layer of black ink over the previous layers
Vito, Thorn of the Dusk Rose Vito, Thorn of the Dusk Rose turns every point of life you gain into damage aimed directly at your opponents
Its excellent for decks that want to bounce their own creatures to replay and is a lovely spell to copy since it takes very little for it to go mana-positive
We did have one game where we made the two massive Doubling Season Fractals only to lose to a Conciliator's Duelist blinking them away, but otherwise the 48/48's were pretty much always enough to win the game