Blossoming Tortoise Eliana: This card already fits nicely into a lot of Golgari and Abzan lands archetypes well, but the coolest line of text in my opinion is after the first more lengthy paragraph
It means that Soulless Jailer dies to things like Fatal Push and Solitude, which is bad, but it also means you can find it with cards like Collected Company and Chord of Calling, which is good
I think the +3/+3 as equipment is more valuable than a 3/3 creature in the long term, but if your deck wants to flicker artifacts why not both
The Pro Tour Top 8 being 4 Izzet Cutter and 4 Mono-Red, with Cutter being a huge metagame chunk, means that some bans are inevitable here
How much guaranteed damage (or more general advantage) can you get for 1 red mana
If you go into your opponent's turn with two untapped Islands, your opponent can simply pass the turn without playing a spell, and make you burn your mana