MTG Arena is really embracing the detective theme of the upcoming Murders at Karlov Manor set, with a feature that forces you to guess the power and toughness of certain creatures
A better way to ask the question might be: Is ramp good outside of green ? Thats a harder question to answer with blue, which has more niche ramp choices than ramp leader green
Hoarding Broodlord Assuming you can properly convoke this dragon with a decent number of creatures, Hoarding Broodlord is a universal tutor on a massive flying stick, and it even gives a blanketed convoke ability to anything you could cast from exile (including the card you just tutored)
Of course, if you're putting it in your deck, it means you've taken that into account and are probably running it in decks that look to Donate it to opponents with cards like Zedruu the Greathearted, Stiltzkin, Moogle Merchant, and Iroh, Tea Master
It keeps its abilities and types.) 2/3 Use Rootwire Amalgam's power as it existed the last time it was on the battlefield (not the power of the creature card in the graveyard) to determine the value of X
Enchanted creature gets +2/+2 and cant be blocked unless its attacking its owner or a permanent its owner controls