mtg.wtf

The "legend rule" doesn't apply to Slivers you control.
Each Sliver creature card in your graveyard has encore {X}, where X is its mana value.
Encore {5}

{T}: Add {C}.
{T}: Add one mana of any color. Spend this mana only to cast a Sliver spell.
{5}, {T}: Create a 1/1 colorless Sliver creature token. Activate only if you control a Sliver.

Sliver creatures you control have indestructible.

All Sliver creatures get +1/+1 for each other Sliver on the battlefield.

{3}: Search your library for a Sliver card, reveal that card, put it into your hand, then shuffle.
{3}: Gain control of target Sliver.

{2}: Create a 1/1 colorless Sliver creature token.

Whenever you cast a non-Sliver creature spell, exile that spell. If you do, create a token that's a copy of a random non-Shapeshifter Sliver creature card with the same mana value as that spell.

{1}, {T}, Discard a card: Create a 1/1 colorless Sliver artifact creature token named Metallic Sliver.

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

{T}, Sacrifice an artifact: Add an amount of {R} equal to the sacrificed artifact's mana value. Spend this mana only to cast artifact spells or activate abilities of artifacts.

Trample
Whenever a land card is put into your graveyard from anywhere, put a +1/+1 counter on Slogurk, the Overslime.
Remove three +1/+1 counters from Slogurk: Return it to its owner's hand.
When Slogurk leaves the battlefield, return up to three target land cards from your graveyard to your hand.

Jolly Gutpipes — {2}, {T}, Sacrifice a creature: The next creature spell you cast this turn has cascade.

Enchant creature
At the beginning of the upkeep of enchanted creature's controller, that player sacrifices that creature unless they pay {2}.
When Slow Motion is put into a graveyard from the battlefield, return Slow Motion to its owner's hand.

Devoid
Ingest
{2}: Sludge Crawler gets +1/+1 until end of turn.

Whenever Sludge Monster enters the battlefield or attacks, put a slime counter on up to one other target creature.
Non-Horror creatures with slime counters on them lose all abilities and have base power and toughness 2/2.

Whenever another artifact enters the battlefield under your control or another artifact you control leaves the battlefield, you may pay {1}. If you do, target player loses 1 life and you gain 1 life.

Enchant creature
Enchanted creature can't block.
When Sluggishness is put into a graveyard from the battlefield, return Sluggishness to its owner's hand.

Deathtouch
Scavenge {1}{B}{G}

When Slum Reaper enters the battlefield, each player sacrifices a creature.

Flying
Slumbering Dragon can't attack or block unless it has five or more +1/+1 counters on it.
Whenever a creature attacks you or a planeswalker you control, put a +1/+1 counter on Slumbering Dragon.

Whenever an enchantment enters the battlefield under your control, scry 1.
{2}{W}: Slumbering Keepguard gets +1/+1 until end of turn for each enchantment you control.

{2}, Discard a Spirit or Arcane card: Slumbering Tora becomes an X/X Cat artifact creature until end of turn, where X is the discarded card's mana value.

Slurrk, All-Ingesting enters the battlefield with five +1/+1 counters on it.
Whenever Slurrk or another creature you control dies, if it had a +1/+1 counter on it, put a +1/+1 counter on each creature you control that has a +1/+1 counter on it.
Partner

{U}, {T}: Until your next turn, target creature an opponent controls can't be blocked. Goad that creature.

Improvise
Whenever a nontoken artifact you control is put into a graveyard from the battlefield, create a 1/1 colorless Servo artifact creature token.