mtg goblin token cards [Unglued Tokens] Card Type Goblin Token (010) [Modern Horizons

The average Commander deck will prioritize Eternal Witness and ways to recycle its ability before they ever even consider Den Protetor as a back-up, but morph decks can use it as a synergy piece and likely have ways to reuse its morph ability to pick up extra cards

Just learning about Magic now or looking to jump straight into the gameplay of Magic: The Gathering Assassin's Creed

Not to mention the Fling combos this card enables

This is a format-defining theme akin to Snow even including the extra wrinkle of prioritizing land picks

Myr Scrapling Myr Scrapling is cheap and flexible

Aesi, Tyrant of Gyre Strait lets you do this and maximizes the most powerful, basic game actions in Magic