Secure -Locking brass latches with keys to ensure the security of your collection
When you play with Cradle you want creatures, cheap ones and lots of them
This means that a card like Ice Magic can trigger either Blizzard (for the regular mana cost), but can also be played for Blizzara, or the even better Blizzaga if you can pay those additional costs
And while some may fit into more themes than others, they're going to be incredibly popular
Sabo OP04-083 [Best Defensive Stabilizer] The Sabo OP04-083 One Piece card brings resilience and card flow to Black decks and the Revolutionary Army trait, making him a versatile mid-game stabilizer
For some card draw, Teferi, Time Raveler, Sphinx's Revelation, and Fact or Fiction might be worth considering