msem-instigator

Target creature you control gains protection from the color of your choice until end of turn. (Then exile this card. You may cast the creature later from exile.)

[+1]: If you control a Llama, create a 1/1 white and black Bird creature token with flying and vigilance. Otherwise, create a 0/1 white Llama creature token.
[–2]: Creatures you control get +1/+0 and gain first strike and haste until end of turn.
[–3]: Sami, Aykeni Herder deals damage equal to the number of creatures you control to any target. You gain that much life.

Enchant creature
Enchanted creature has vigilance.
Whenever enchanted creature attacks or blocks, you gain 2 life.

[+2]: Draw a card, then discard a card unless you pay {2}.
[+1]: Target creature gets +1/+1 and gains lifelink until your next turn.
[–1]: Tap target permanent. It doesn't untap during its controller's next untap step.
[–2]: Return target artifact, enchantment, or tapped creature to its owner's hand.

Whenever an opponent attacks you and/or one or more planeswalkers you control, you may draw a card.

Choose a color or card type. Target permanent gains protection from the chosen color or type until end of turn.
Inscribe {3}{W}{U} ({3}{W}{U}: Exile this card from your hand inscribed on a creature you control. Whenever that creature attacks, its controller may cast a copy of the inscribed card without paying its mana cost. Inscribe only as a sorcery.)

Flying
{T}: Target attacking creature gets +1/+1 and gains flying until end of turn.

Whenever Sanctuary is dealt damage, you gain that much life.
All damage that would be dealt to another creature you control is dealt to Sanctuary instead.

Target creature gets +1/+0 and gains vigilance and lifelink until end of turn.

If a source would deal combat damage to you or a creature you control, prevent 1 of that damage.

Prevent all damage that would be dealt to and dealt by target creature this turn. You gain 3 life.

Vigilance
Chosen one ({W}{U}{B}{R}{G}: Transform this permanent.)

Sandblast deals 5 damage to target attacking or blocking creature.

When Sandbluff Barflies enters, you gain 2 life.

When Sandbluff Confiscator enters, you may tap or untap target artifact or creature.

When Sandbluff Enforcers enters, detain target creature an opponent controls. (Until your next turn, that creature can't attack or block and its activated abilities can't be activated.)

Whenever Sandbluff Inciter attacks, it deals damage to defending player equal to the number of tapped creatures you control.

Whenever a Soldier you control enters, you may untap Sandbluff Irregular.

Creatures you control get +1/+1 until end of turn. Soldiers you control also gain first strike until end of turn.

Flying
Whenever Sandslinger attacks, you may tap target creature if you've gained life this turn.

Flash
Flying
When Sandstreamer enters, target permanent gains indestructible until end of turn.

Shimmer (Whenever this creature attacks, create a tapped and attacking token that's a copy of it. Exile the token at the beginning of the end step.)
When Sandstrider enters, put a +1/+1 counter on target creature.

{W}, {T}: Tap target creature.

At the beginning of your upkeep, you gain 1 life for each color among permanents you control.
{W}{U}{B}{R}{G}, Sacrifice Sartha's Studies: Double your life total.

Flying
Tap three untapped Satrapies you control: Recruit. Activate only as a sorcery. (Create a 0/0 white Soldier Army creature token, then put a +1/+1 counter on each Army you control.)