Whenever Shocker deals damage to a player, that player discards all the cards in their hand, then draws that many cards.

Flying

Whenever Shockmaw Dragon deals combat damage to a player, it deals 1 damage to each creature that player controls.

, : Draw two cards, then discard a card. Create a 1/1 colorless Pilot creature token with "This creature crews Vehicles as though its power were 2 greater."

Crew 8 (Tap any number of creatures you control with total power 8 or more: This Vehicle becomes an artifact creature until end of turn.)

Shorikai, Genesis Engine can be your commander.

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)

I — Exile the top four cards of your library. Until the end of your next turn, you may play those cards.

II, III — Whenever you cast a spell this turn, put a +1/+1 counter on target creature you control.

Target creature gains fear until end of turn. (It can't be blocked except by artifact creatures and/or black creatures.)

Flying

: Shriekdiver gains haste until end of turn.

Shriekhorn enters with three charge counters on it.

, Remove a charge counter from Shriekhorn: Target player mills two cards.

Flying

When Shrieking Drake enters, return a creature you control to its owner's hand.

Haste

When Shrieking Mogg enters, tap all other creatures.

Fear (This creature can't be blocked except by artifact creatures and/or black creatures.)

When Shriekmaw enters, destroy target nonartifact, nonblack creature.

Evoke (You may cast this spell for its evoke cost. If you do, it's sacrificed when it enters.)

Flying, double strike, vigilance

Target creature gets -5/-0 until end of turn.

Equipped creature has ", Unattach Shuriken: Shuriken deals 2 damage to target creature. That creature's controller gains control of Shuriken unless it was unattached from a Ninja."

Equip (: Attach to target creature you control. Equip only as a sorcery.)

Delve (Each card you exile from your graveyard while casting this spell pays for .)

When Sibsig Muckdraggers enters, return target creature card from your graveyard to your hand.

Enchant creature

Enchanted creature gets -1/-1.

Cycling (, Discard this card: Draw a card.)

You may exile a black card with mana value X from your hand rather than pay this spell's mana cost.

Target creature gets -X/-X until end of turn.

Wither (This deals damage to creatures in the form of -1/-1 counters.)

Flanking (Whenever a creature without flanking blocks this creature, the blocking creature gets -1/-1 until end of turn.)

Creatures your opponents control without flying or reach can't block creatures with power 2 or less.

Partner (You can have two commanders if both have partner.)

Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.)

: Target creature can't block this turn.

Devoid (This card has no color.)

Whenever another nontoken creature you control dies, create a 1/1 colorless Eldrazi Scion creature token. It has "Sacrifice this creature: Add ." ( represents colorless mana.)

Whenever Sigiled Skink attacks, scry 1. (Look at the top card of your library. You may put that card on the bottom.)

Devoid (This card has no color.)

Flying

Whenever Silent Skimmer attacks, defending player loses 2 life.

Target creature gets +1/+1 and gains reach until end of turn. (It can block creatures with flying.)

Whenever Silkenfist Fighter becomes blocked, untap it.

Put a +1/+1 counter on each of up to X target creatures you control.

Auras, Equipment, and modified creatures you control gain hexproof until end of turn. (Equipment, Auras you control, and counters are modifications.)

Reach (This creature can block creatures with flying.)

Revolt — When Silkweaver Elite enters, if a permanent you controlled left the battlefield this turn, draw a card.

When Silkwrap enters, exile target creature with mana value 3 or less an opponent controls until Silkwrap leaves the battlefield. (That creature returns under its owner's control.)

Flying

When Silver Drake enters, return a white or blue creature you control to its owner's hand.

Trample

When Silverback Shaman dies, draw a card.

Equipped creature gets +1/+1 and is an artifact in addition to its other types.

Equip

Graft 3 (This creature enters with three +1/+1 counters on it. Whenever another creature enters, you may move a +1/+1 counter from this creature onto it.)

: Until end of turn, target creature with a +1/+1 counter on it gains "Whenever this creature deals combat damage to a creature, destroy that creature at end of combat."

: Add or .

, , Sacrifice Simic Locket: Draw two cards.

Enchant creature

When Singing Bell Strike enters, tap enchanted creature.

Enchanted creature doesn't untap during its controller's untap step.

Enchanted creature has ": Untap this creature."

Sweep — Return any number of Swamps you control to their owner's hand. Target player discards a card for each Swamp returned this way.

Enchant creature

Enchanted creature doesn't untap during its controller's untap step.

Enchanted creature has ", Put a -1/-1 counter on this creature: Untap this creature."

: Sinuous Striker gets +1/-1 until end of turn.

Eternalize—, Discard a card. (, Discard a card, Exile this card from your graveyard: Create a token that's a copy of it, except it's a 4/4 black Zombie Snake Warrior with no mana cost. Eternalize only as a sorcery.)

Flying

When Siren Lookout enters, it explores. (Reveal the top card of your library. Put that card into your hand if it's a land. Otherwise, put a +1/+1 counter on this creature, then put the card back or put it into your graveyard.)

, Sacrifice another creature or an artifact: For each opponent, you mill a card, then return that card from your graveyard to your hand unless that player pays 3 life. (To mill a card, put the top card of your library into your graveyard.)

Choose a Background (You can have a Background as a second commander.)

As an additional cost to cast this spell, exile three creature cards from your graveyard.

Flying

You may cast Skaab Ruinator from your graveyard.

When Skalla Wolf enters, look at the top five cards of your library. You may reveal a green card from among them and put it into your hand. Put the rest on the bottom of your library in a random order.

Trample

Bloodrush — , Discard Skarrg Goliath: Target attacking creature gets +9/+9 and gains trample until end of turn.

: Add .

, : Target creature gets +1/+1 and gains trample until end of turn.

Riot (This creature enters with your choice of a +1/+1 counter or haste.)

Flying

: Skarrgan Hellkite deals 2 damage divided as you choose among one or two targets. Activate only if Skarrgan Hellkite has a +1/+1 counter on it.

Bloodthirst 3 (If an opponent was dealt damage this turn, this creature enters with three +1/+1 counters on it.)

, Sacrifice Skarrgan Skybreaker: It deals damage equal to its power to any target.

Changeling (This card is every creature type.)

: Regenerate Skeletal Changeling.

Enchant creature

Enchanted creature gets +1/+1 and has ": Regenerate this creature."

As an additional cost to cast this spell, exile X cards from your graveyard.

You draw X cards and you lose X life.

Each Skeleton you control has trample, attacks each combat if able, and gets +X/+0, where X is the number of other Skeletons you control.

At the beginning of your end step, create a tapped 1/1 black Skeleton creature token. If a creature died this turn, create two of those tokens instead.