Whenever you sacrifice another permanent, put a +1/+1 counter on Bloodbriar.

{G}, Sacrifice Dawntreader Elk: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

{1}{G}, {T}, Sacrifice Embodiment of Spring: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

{1}{G}: Return target basic land card from your graveyard to your hand.

At the beginning of your upkeep, if Myr Servitor is on the battlefield, each player returns all cards named Myr Servitor from their graveyard to the battlefield.

Choose one — • Search your library for a basic land card, reveal it, put it into your hand, then shuffle. • Return target creature card from your graveyard to your hand. • Target creature gains flying until end of turn.

Draw two cards, then sacrifice a permanent.

{T}, Sacrifice Evolving Wilds: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

({T}: Add {G}.)

{T}: Add {C}. {3}, {T}, Sacrifice Haunted Fengraf: Return a creature card at random from your graveyard to your hand.

({T}: Add {U}.)

{T}: Add {C}. {T}, Sacrifice Quicksand: Target attacking creature without flying gets -1/-2 until end of turn.

Seafloor Debris enters the battlefield tapped. {T}: Add {U}. {T}, Sacrifice Seafloor Debris: Add one mana of any color.

Thornwood Falls enters the battlefield tapped. When Thornwood Falls enters the battlefield, you gain 1 life. {T}: Add {G} or {U}.

As an additional cost to cast this spell, sacrifice a blue permanent. Counter target spell.

Look at the top three cards of your library. You may reveal a creature or land card from among them and put it into your hand. Put the rest on the bottom of your library in any order.

When Elvish Pioneer enters the battlefield, you may put a basic land card from your hand onto the battlefield tapped.

Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle. Threshold — If seven or more cards are in your graveyard, instead search your library for up to three basic land cards, put them onto the battlefield tapped, then shuffle.

When Harvest Wurm enters the battlefield, sacrifice it unless you return a basic land card from your graveyard to your hand.

Target creature you control deals damage equal to its power to target creature you don't control.

Target creature you control gets +1/+1 and gains hexproof until end of turn. (It can't be the target of spells or abilities your opponents control.)