Each player chooses a creature or planeswalker they control, then sacrifices the rest. Players can't cast creature or planeswalker spells until the end of your next turn.

When Sinuous Benthisaur enters the battlefield, look at the top X cards of your library, where X is the number of Caves you control plus the number of Cave cards in your graveyard. Put two of those cards into your hand and the rest on the bottom of your library in a random order.

As Six-y Beast enters the battlefield, you secretly put six or fewer +1/+1 counters on it, then an opponent guesses the number of counters. If that player guesses right, sacrifice Six-y Beast after it enters the battlefield.

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

Trample

Tap three untapped creatures you control: Tap target creature.

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

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

Bloodrush — , Discard Skinbrand Goblin: Target attacking creature gets +2/+1 until end of turn.

Trample, haste

When Skitterbeam Battalion enters the battlefield, if you cast it, create two tokens that are copies of it.

//PRT-Prototype_Mech//

Prototype (You may cast this spell with different mana cost, color, and size. It keeps its abilities and types.)

2/2

Haste

Whenever Skullbriar, the Walking Grave deals combat damage to a player, put a +1/+1 counter on it.

Counters remain on Skullbriar as it moves to any zone other than a player's hand or library.

Reach

Whenever you cast a spell with mana value 5 or greater, create a Food token. (It's an artifact with ", , Sacrifice this artifact: You gain 3 life.")

Flying

This spell costs less to cast for each enchantment you control.

Flying

Flying

When Skyboon Evangelist enters the battlefield, support 6. (Put a +1/+1 counter on each of up to six other target creatures.)

Whenever a creature with a counter on it attacks one of your opponents, that creature gains flying until end of turn.

Skyclave Basilica enters the battlefield tapped.

: Add .

Flying

When Skymarch Bloodletter enters the battlefield, target opponent loses 1 life and you gain 1 life.

Target creature you control fights target creature you don't control. When the creature you control wins the fight, draw a card.

All lands gain shroud until end of turn. (They can't be the targets of spells or abilities.)

Draw a card.

Trample

As Skyshroud War Beast enters the battlefield, choose an opponent.

Skyshroud War Beast's power and toughness are each equal to the number of nonbasic lands the chosen player controls.

Flying

Escape—, Exile five other cards from your graveyard. (You may cast this card from your graveyard for its escape cost.)

Skyway Robber escapes with "Whenever Skyway Robber deals combat damage to a player, you may cast an artifact, instant, or sorcery spell from among cards exiled with Skyway Robber without paying its mana cost."

Slagwoods Bridge enters the battlefield tapped.

Indestructible

: Add or .

Gain control of target creature. Untap that creature. It gains haste until end of turn. Sacrifice it at the beginning of the next end step.

Enchant creature

Enchanted creature has fear. (It can't be blocked except by artifact creatures and/or black creatures.)

Whenever enchanted creature deals combat damage to an opponent, you may draw a card.

Flash

Enchant creature

Enchanted creature gets -4/-0.

If a black creature with flying is attacking, you may pay rather than pay this spell's mana cost.

Destroy target attacking creature with flying.

Put a +1/+1 counter on target creature. It phases out. (Treat it and anything attached to it as though they don't exist until its controller's next turn.)

Hexproof (This creature can't be the target of spells or abilities your opponents control.)

Slither Blade can't be blocked.

Sacrifice an artifact: Target artifact gains indestructible until end of turn.

Jolly Gutpipes — , , Sacrifice a creature: The next creature spell you cast this turn has cascade. (When you next cast a creature spell, exile cards from the top of your library until you exile a nonland card that costs less. You may cast it without paying its mana cost. Put the exiled cards on the bottom in a random order.)

Whenever an enchantment enters the battlefield under your control, scry 1.

: Slumbering Keepguard gets +1/+1 until end of turn for each enchantment you control.

Whenever Sly Spy deals combat damage to a player, you may destroy target creature facing left in its art. (Creatures without faces don't face anywhere.)

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

Hideaway 4 (When this artifact enters the battlefield, look at the top four cards of your library, exile one face down, then put the rest on the bottom in a random order.)

Whenever Smuggler's Buggy deals combat damage to a player, you may cast the exiled card without paying its mana cost. If you do, return Smuggler's Buggy to its owner's hand.

Crew 2

Enchant creature

Enchanted creature gets +1/+1 and has "Whenever this creature deals damage to an opponent, you may draw a card."

Totem armor (If enchanted creature would be destroyed, instead remove all damage from it and destroy this Aura.)

Flash

Enrage — Whenever Snapping Sailback is dealt damage, put a +1/+1 counter on it. (It must survive the damage to get the counter.)

Conjure a duplicate of each of X target nontoken permanents into your hand. Those cards perpetually gain "You may spend mana as though it were mana of any color to cast this spell." If X is 5 or more, you may put one of them from your hand onto the battlefield.

Alliance — Whenever another creature enters the battlefield under your control, you gain 1 life.

Bushido 1 (Whenever this creature blocks or becomes blocked, it gets +1/+1 until end of turn.)

: Sokenzan Spellblade gets +X/+0 until end of turn, where X is the number of cards in your hand.

Solar Blast deals 3 damage to any target.

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

When you cycle Solar Blast, you may have it deal 1 damage to any target.

Whenever Soldevi Steam Beast becomes tapped, target opponent gains 2 life.

: Regenerate Soldevi Steam Beast.

Whenever a creature you control becomes blocked, it gets +1/+1 until end of turn.

: Target creature you control gains trample until end of turn. (It can deal excess combat damage to the player or planeswalker it's attacking.)

Forestwalk (This creature can't be blocked as long as defending player controls a Forest.)

Reach (This creature can block creatures with flying.)

Morbid — Somberwald Spider enters the battlefield with two +1/+1 counters on it if a creature died this turn.

Whenever Somberwald Vigilante becomes blocked by a creature, Somberwald Vigilante deals 1 damage to that creature.

Enchant creature

Whenever enchanted creature attacks, reveal cards from the top of your library until you reveal an Aura card. You may put that card onto the battlefield. If you don't, put it into your hand. Put the rest on the bottom of your library in a random order.

Menace

Each creature you control with menace can't be blocked except by three or more creatures.

Whenever you sacrifice another permanent, you may pay . If you do, create a token that's a copy of Sorcerer's Broom.

+1: Target creature you control gains deathtouch and lifelink until end of turn. If it's a Vampire, put a +1/+1 counter on it.

+1: You may sacrifice a Vampire. When you do, Sorin, Imperious Bloodlord deals 3 damage to any target and you gain 3 life.

−3: You may put a Vampire creature card from your hand onto the battlefield.

Whenever an opponent casts a creature spell, Soul Barrier deals 2 damage to that player unless they pay .

Spend only black and/or red mana on X.

Soul Burn deals X damage to any target. You gain life equal to the damage dealt, but not more than the amount of spent on X, the player's life total before the damage was dealt, the planeswalker's loyalty before the damage was dealt, or the creature's toughness.