Equipped creature gets +2/+2 and has flying and lifelink. When equipped creature deals combat damage to a player, unattach Shionoshio, Ocean's Vow, then transform it. Equip {W}{U} Shionoshio can be your commander.
Shoupan Shrine enters tapped. {T}: Add {B} or {R}. {B/R}, {T}, Sacrifice Shoupan Shrine: Put a +1/+1 counter on target creature you control. Activate only as a sorcery.
Whenever you create an Idol token, put a +1/+1 counter on Shrine of Elder Lords. {T}: Add {C}. {3}: Put a +1/+1 counter on Shrine of Elder Lords, then you may have it become a 0/0 Elemental creature with vigilance until end of turn. It's still a land.
{T}: Add {C}. Shrine of the World-Shepherd's power and toughness are each equal to the number of differently named lands you control. {3}{G}: Shrine of the World-Shepherd becomes a Beast creature in addition to its other types until end of turn.
{T}: Add {C}. {T}: Choose a color. Add one mana of that color unless you control a permanent of that color. Spend this mana only to cast a permanent spell.
The callous call it an empty gesture, but to the devout it is a holy place all the same.
Frozen Hinterlands enters tapped. {T}: Add {W} or {B}. {1}{W}{B}: Until end of turn, Shrouded Rooftops becomes a 3/3 white and black Illusion creature with with lifelink and “Whenever this creature attacks or blocks, torment yourself.” It's still a land. (To torment yourself, lose 3 life unless you discard a card or sacrifice a nonland permanent.)
This spell costs {2} less to cast for each face-down creature you control. Flying
“Much of Mious is covered by “veils”: blurry masses of magic that repel touch and eye contact. They hide what the gods want hidden: little else is known, and even less is asked.” —Planeswalker's Guide to Mious
{T}: Add {G} or {U}. {T}, Sacrifice Sigil of Creation: Add {G}{U}.
“The forbidden lovers earth and sky drift ever apart, knowing the tantalising dance of the horizon holds promise of reunion.” —Dai Gui, Pillar of Sea and Sky
{T}: Add {B} or {G}. {T}, Sacrifice Sigil of Growth: Add {B}{G}.
“Your ‘advances' are little more than overworking the world around you. Today you may be ahead. But where will you be when it finally breaks under your heel?” —Chief Striking Dawn