Thrasios, coralhem guide

At the beginning of your draw step, if you drew a land card, then this turn, you may pay {u} instead of paying the mana cost of spells.
Islandwalk.
Rally- whenever Thrasios, merfolk guide or another ally enters the battlefield under your control, draw a card
He makes the waters swift for us, I like him-
- Akiri, line-slinger