As an additional cost to cast this spell, sacrifice a creature. Search your library for a creature card, reveal it, put it into your hand, then shuffle.

As an additional cost to cast this spell, pay 3 life. Destroy target creature and target land.

All Slivers have "{2}, Sacrifice this permanent: This permanent deals 2 damage to any target."

Banding (Any creatures with banding, and up to one without, can attack in a band. Bands are blocked as a group. If any creatures with banding you control are blocking or being blocked by a creature, you divide that creature's combat damage, not its controller, among any of the creatures it's being blocked by or is blocking.) {T}: Counter target activated ability from an artifact source unless that ability's controller pays {W}. (Mana abilities can't be targeted.)

Flying As this creature enters, sacrifice any number of creatures. This creature's power becomes the total power of those creatures and its toughness becomes their total toughness. {R}: This creature gets +1/+0 until end of turn.

{1}{R}{G}, {T}: Exile this creature and target creature without flying that's attacking you.

Reach (This creature can block creatures with flying.) Whenever this creature attacks, defending player may draw a card.

All Slivers have "Pay 2 life: Return this permanent to its owner's hand."

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

Whenever this creature attacks and isn't blocked, you may have defending player activate a mana ability of each land they control and lose all unspent mana. If you do, this creature assigns no combat damage this turn and at the beginning of your next main phase this turn, you add an amount of {C} equal to the amount of mana that player lost this way.

First strike {G}: Regenerate this creature.

Flying Pay 2 life: Return Selenia to its owner's hand.

Flying At the beginning of your upkeep, this creature deals 1 damage to you.

{B}{R}, {T}: This creature deals 2 damage to target white creature.

Flying, first strike

Whenever a Sliver becomes blocked, that Sliver gets +1/+1 until end of turn for each creature blocking it.

Flying {T}: This creature deals 2 damage to target creature.

{T}: Add {C}{C}.

Flying, vigilance

Sacrifice a Forest: You gain 3 life.

At the beginning of your upkeep, sacrifice this enchantment unless you pay {W}{U}. All Mountains are Plains.

At the beginning of each player's end step, tap all untapped Islands that player controls and this enchantment deals X damage to the player, where X is the number of Islands tapped this way.

Black creatures can't attack unless their controller sacrifices a land of their choice for each black creature they control that's attacking. (This cost is paid as attackers are declared.)

As an additional cost to cast this spell, pay X life. Fire Covenant deals X damage divided as you choose among any number of target creatures.

{T}: Add {C}. {T}: Add {W} or {U}. This land deals 1 damage to you.

This land enters tapped. {T}, Sacrifice this land: Search your library for a Plains or Island card, put it onto the battlefield, then shuffle.

This land enters tapped with two depletion counters on it. {T}, Remove a depletion counter from this land: Add {G}{G}. If there are no depletion counters on this land, sacrifice it.

{T}: Add {W}. {T}: Return target legendary creature to its owner's hand.

{T}: Add {C}. {T}: Untap target attacking creature with shadow. Prevent all combat damage that would be dealt to and dealt by that creature this turn.

{T}: Prevent the next 1 damage that would be dealt to target creature this turn.

This land enters tapped with two depletion counters on it. {T}, Remove a depletion counter from this land: Add {B}{B}. If there are no depletion counters on this land, sacrifice it.

This land doesn't untap during your untap step if it has a depletion counter on it. At the beginning of your upkeep, remove a depletion counter from this land. {T}: Add {U} or {B}. Put a depletion counter on this land.

This land enters tapped. {T}: Add {W}. {T}, Sacrifice this land: Add {W}{W}.

This land enters tapped with two depletion counters on it. {T}, Remove a depletion counter from this land: Add {U}{U}. If there are no depletion counters on this land, sacrifice it.

This land enters tapped. {T}: Add {U}. {T}, Sacrifice this land: Add {U}{U}.

Phasing (This phases in or out before you untap during each of your untap steps. While it's phased out, it's treated as though it doesn't exist.) Teferi's Isle enters tapped. {T}: Add {U}{U}.

{T}: Add {C}. {T}: Add {W} or {U}. This land doesn't untap during your next untap step.