With the Universes Beyond: Final Fantasy set (2025), top contenders include Sephiroth, the One-Winged Angel (for aggressive black/white decks) and the Crystal Crystal mana rocks
Commander Minn, Wily Illusionist Whenever you draw your second card each turn, create a 1/1 blue Illusion creature token with "This token gets +1/+0 for each other Illusion you control." Whenever an Illusion you control dies, you may put a permanent card with mana value less than or equal to that creature's power from your hand onto the battlefield
Alania, Divergent Storm No, its not a Squirrel this time, although, we suppose Otters could be considered the Squirrels of the sea
Counter Intelligence is none of those things, so these are just basic lands that come into play tapped and don't have basic land types that synergize with other cards
What if that friend was the Llanowar elf
He's a decent beat stick, but what's relevant here is that he can Start Your Engines (introducing the Speed counter from Aetherdrift), and he reduces the cost of non-creature spells you cast by x, where x is your Speed
