Ash Elemental 

4/1
Creature - Elemental
Trample,Haste
When Ash Elemental comes into play target mountain you control becomes a 3/1 Elemental creature thats still a land with haste until end of turn, at the end of turn sacrifice that mountain. at the end of turn sacrifice Ash Elemental.
Canopy BogLand

, Pay 1 Life, Sacrifice Canopy Bog: Search your library for a Forest or Swamp card and put it into play. Then shuffle
your library.
Coastal TrenchLand

, Pay 1 Life, Sacrifice Coastal Trench: Search your library for a Mountain or Island card and put it into play. Then shuffle your library.
Decayed FlatlandLand

, Pay 1 Life, Sacrifice Decayed Flatland: Search your library for a Plains or Swamp card and put it into play. Then shuffle your library.
Deep Fire

Instant
Deep Fire deals damage to target creature equal to its casting cost.
Diamond MineLand

: Add one colorless mana to your pool.

,

: Add one mana of any color to your mana pool.
Dilute
Instant
All activated abilities cost

more to play until the end of turn.
Drouze


Instant
As an additional cost to play Drouze remove two cards other than Drouze in your graveyard from the game. Counter target spell unless its controller pays 4
Threshold - Instead counter target spell.
Aftershock - Whenever you play an instant or sorcery you may pay 3 life and sacrifice a island, if you do you may play this card from your graveyard as if it was in your hand without paying its mana cost.
Engulf

Sorcery
Target opponent reveales his or her hand. You choose a nonland noncreature card from it. That player discards that card then sacrifices a creature.
Grim Collector
1/2
Creature - Grim
Whenever Grim Collector deals combat damage to a player that player must sacrifice a number of permanents equal to Grim Collector's power.



: Grim Collector gets +2/-1
Lion Pride

2/2
Creature - Cat
Aftershock - Whenever you play a creature you may sacrifice a Plains, if you do you may play this card from your graveyard as if it was in your hand without paying its mana cost.
Lumberer Kavu


2/2
Creature - Kavu
As Lumbrer Kavu comes into play choose a land card in play. As long as Lumbrer Kavu remains untapped you may tap that land to add

to your mana pool, if the chosen land was a forest you may add one mana of any color.
Optical Library
Artifact

: Look at the top five cards of your library, you may reveal an instant among them if you do sacrifice Optical Library and put the revealed card in your hand and the rest on the bottom of your library in any order, otherwise put those cards on the bottom of your library in any order.
Overgrown ShorelineLand

, Pay 1 Life, Sacrifice Overgrown Shoreline: Search your library for a Forest or Island card and put it into play. Then shuffle your library.
Rockey PassLand

, Pay 1 Life, Sacrifice Rocky Pass: Search your library for a Mountain or Plains card and put it into play. Then shuffle your library.
Thought Restraint
Instant
Counter target spell unless its controller pays 1. If its countered this way that spells controller may draw a card. Draw a card.
Untouched Spring
Sorcery
Target player gains life equal to the number of plains in play.
Weatherlight Spellweaver
3/3
Creature - Legendary Cleric

, Pay 1 life: You may reveal any number of blue instants or sorcerys from your hand, you may play an instant or sorcery from your hand with converted mana cost equal to the number of cards revealed this way without paying its mana cost. Sorcerys may be played as instants.
Please tell me which cards suck and which are miledly ok, Critisizm is enforced
