mtg.wtf

Blue legendary creatures you control have "bands with other legendary creatures."

Seafaring Werewolf can't be blocked.
Whenever Seafaring Werewolf deals combat damage to a player, draw a card.
Nightbound

Seafloor Debris enters tapped.
{T}: Add {U}.
{T}, Sacrifice Seafloor Debris: Add one mana of any color.

{T}: Add {R}.

Seaside Citadel enters tapped.
{T}: Add {G}, {W}, or {U}.

{T}: Add {C}.
{W}{U}, {T}, Sacrifice a Bird: Draw a card.

Lifelink

{T}: Add {U}.

As this land enters, choose a creature type.
{T}: Add {C}.
{T}: Add one mana of any color. Spend this mana only to cast a creature spell of the chosen type or activate an ability of a creature source of the chosen type.

As Secluded Glen enters, you may reveal a Faerie card from your hand. If you don't, Secluded Glen enters tapped.
{T}: Add {U} or {B}.

Secluded Steppe enters tapped.
{T}: Add {W}.
Cycling {W}

{T}: Add {C}.
{T}: Add one mana of any color. Spend this mana only to cast a spell that shares a watermark with Secret Base.

Secret Passage enters tapped.
{T}: Add {U} or {B}.
{4}, {T}: Investigate.

Hidden agenda
Whenever a creature you control with the chosen name enters, you may search your library for any number of cards with that name, reveal them, put them into your hand, then shuffle.

Hidden agenda
Creatures you control with the chosen name have "{T}: Add one mana of any color."

{T}: Add {C}.
{T}, Sacrifice Seething Landscape: Search your library for a basic Island, Swamp, or Mountain card, put it onto the battlefield tapped, then shuffle.
Cycling {U}{B}{R}

Sejiri Glacier enters tapped.
{T}: Add {W}.

Sejiri Refuge enters tapped.
When Sejiri Refuge enters, you gain 1 life.
{T}: Add {W} or {U}.

Sejiri Steppe enters tapped.
When Sejiri Steppe enters, target creature you control gains protection from the color of your choice until end of turn.
{T}: Add {W}.

Creatures you control have vigilance.

This land enters tapped.
{T}: Add {G} or {W}.

If an effect would create one or more tokens, it creates twice that many of those tokens instead.
If an effect would put one or more counters on a permanent, it puts twice that many of those counters on that permanent instead.
Whenever chaos ensues, until end of turn, whenever you tap a land for mana, add one mana of any type that land produced.

Selesnya Sanctuary enters tapped.
When Selesnya Sanctuary enters, return a land you control to its owner's hand.
{T}: Add {G}{W}.

At the beginning of the first upkeep, create a 1/1 colorless Construct artifact creature token with defender.

{T}: Add {C}.
{4}, {T}, Sacrifice Sequestered Stash: Mill five cards. Then you may put an artifact card from your graveyard on top of your library.