mtg cards that double power Magic The Gathering Masters Single Card Common Urzas Plant 330 Foil it enters with an additional loyalty counter on it if its a planeswalker Exponential Growth MTG - Strixhaven:

Non-foil Special Guests cards appear in Play Boosters, while traditional foil Special Guests cards appear in Collector Boosters

It also inspired a fun Un-set card, Enter the Dungeon

Exile-based removal and effects that prevent creatures from dying can reduce your recursion value

$0.49 Elf Token (0004) Lorwyn Eclipsed $0.49 Merfolk Token (0008) Lorwyn Eclipsed $0.49 Elemental Token (0002) Lorwyn Eclipsed Commander Decks $2.99 Faerie Token (0005) Lorwyn Eclipsed $0.35 Wickerbough Elder Eventide $0.69 Blowfly Infestation Lorwyn Eclipsed Commander Decks $4.49 Obelisk Spider Hour of Devastation $0.49 Treasure Token (0010) Lorwyn Eclipsed $0.49 Zombie Token (0003) Lorwyn Eclipsed Commander Decks $0.49 Snake Token (0008) Lorwyn Eclipsed Commander Decks $0.49 Wickersmith's Tools Lorwyn Eclipsed Commander Decks $0.49 Dread Tiller Lorwyn Eclipsed Commander Decks 0 results found

Rather than create another auto-include like Arcane Signet, the idea with three mana value rocks is that they can do something additional to make them a bit more interesting