Given that this is such a unique ability for blue, it is particularly useful
Combine them with special Land cards featuring artwork reminiscent of the original Middle-earth maps, 'showcase' story cards, and borderless scene cards that combine into enormous paintings for some of the most eye-catching work MTG has put out in a long time
when he enters play, Mufasa doesnt just exert the Ink needed to pay for him, but also all other cards in your Inkwell
It slots nicely into Treasure decks to take advantage of cashing those tokens in for mana, and its elf creature type helps it fit into Lathril, Blade of the Elves token decks
Familiars - A cycle of creatures that reduced the cost of allied-colored spells you play
High Tide effects create explosive single-turn bursts, while untap effects like Dramatic Reversal and Isochron Scepter generate both incremental advantage and infinite mana combos