Crawlspace
Casting Cost:
No more than two creatures can attack you each combat.
$ 000
Defense Grid
Each spell costs more to cast except during its controller's turn.
Defense of the Heart
At the beginning of your upkeep, if an opponent controls three or more creatures, sacrifice Defense of the Heart, search your library for up to two creature cards, and put those cards onto the battlefield. Then shuffle your library.
Deranged Hermit
Echo (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.)
When Deranged Hermit enters the battlefield, put four 1/1 green Squirrel creature tokens onto the battlefield.
Squirrel creatures get +1/+1.
Goblin Welder
: Choose target artifact a player controls and target artifact card in that player's graveyard. If both targets are still legal as this ability resolves, that player simultaneously sacrifices the artifact and returns the artifact card to the battlefield.
Grim Monolith
Grim Monolith doesn't untap during your untap step.
: Add 3 to your mana pool.
: Untap Grim Monolith.
Karmic Guide
Flying, protection from black
When Karmic Guide enters the battlefield, return target creature card from your graveyard to the battlefield.
Memory Jar
, Sacrifice Memory Jar: Each player exiles all cards from his or her hand face down and draws seven cards. At the beginning of the next end step, each player discards his or her hand and returns to his or her hand each card he or she exiled this way.
Mother of Runes
: Target creature you control gains protection from the color of your choice until end of turn.
No Mercy
Whenever a creature deals damage to you, destroy it.
Palinchron
Flying
When Palinchron enters the battlefield, untap up to seven lands.
: Return Palinchron to its owner's hand.
Quicksilver Amulet
, : You may put a creature card from your hand onto the battlefield.
Radiant, Archangel
Flying, vigilance
Radiant, Archangel gets +1/+1 for each other creature with flying on the battlefield.
Snap
Return target creature to its owner's hand. Untap up to two lands.
Tinker
As an additional cost to cast Tinker, sacrifice an artifact.
Search your library for an artifact card and put that card onto the battlefield. Then shuffle your library.
Treetop Village
Treetop Village enters the battlefield tapped.
: Add to your mana pool.
: Treetop Village becomes a 3/3 green Ape creature with trample until end of turn. It's still a land. (If it would assign enough damage to its blockers to destroy them, you may have it assign the rest of its damage to defending player or planeswalker.)