Khorvath Brightflame

One half of a mechanically inseparable pair, written so that its text and its partner's point back at each other across a shared theme of Dragons and Knights. The dragon side handles keyword granting: Knights on your team gain flying and haste, taking a color-restricted, historically grounded tribe and stapling evasion and speed onto it so it can swing the turn it lands. On its own it is a 3/4 flier with haste whose enters trigger tutors Sylvia Brightspear into a hand and shuffles the library, which is the real tell about the intended play pattern; the trigger exists to find the Knight half that returns the favor by pumping your dragons. Note that this is a search-to-hand, not a cheat-onto-the-battlefield: casting one partner assembles the other in hand, and you still have to pay to deploy it. Each card is unremarkable in isolation and lopsided together, which is exactly what Partner with is built to do: rather than two free-floating legends that happen to share a slot, these two are a matched set, each one's grant aimed at the other's creature type. The reciprocity is the cleverest piece of the design. Khorvath gives Knights wings and urgency; Sylvia rewards the Dragons in return; whichever you resolve first reaches across the partition to fetch its counterpart into hand. It is tribal support wearing a legendary body, encoding a two-way synergy that a single card could never state without contradicting itself.