If Sheltered Valley would enter, instead sacrifice each other permanent named Sheltered Valley you control, then put Sheltered Valley onto the battlefield.
At the beginning of your upkeep, if you control three or fewer lands, you gain 1 life.
: Add .

: Add .
, : Add one mana of any color.

Defender
Whenever Shield Sphere blocks, put a -0/-1 counter on it.

If Heart of Yavimaya would enter, sacrifice a Forest instead. If you do, put Heart of Yavimaya onto the battlefield. If you don't, put it into its owner's graveyard.
: Add .
: Target creature gets +1/+1 until end of turn.

Thawing Glaciers enters tapped.
, : Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle. Return Thawing Glaciers to its owner's hand at the beginning of the next cleanup step.

: Exile a card from your hand face down. You may look at it for as long as it remains exiled.
: Return a card you own exiled with Gustha's Scepter to your hand.
When you lose control of Gustha's Scepter, put all cards exiled with Gustha's Scepter into their owner's graveyard.

, , Sacrifice Lodestone Bauble: Put up to four target basic land cards from a player's graveyard on top of their library in any order. That player draws a card at the beginning of the next turn's upkeep.

If Balduvian Trading Post would enter, sacrifice an untapped Mountain instead. If you do, put Balduvian Trading Post onto the battlefield. If you don't, put it into its owner's graveyard.
: Add .
, : Balduvian Trading Post deals 1 damage to target attacking creature.

If Lake of the Dead would enter, sacrifice a Swamp instead. If you do, put Lake of the Dead onto the battlefield. If you don't, put it into its owner's graveyard.
: Add .
, Sacrifice a Swamp: Add .

If Kjeldoran Outpost would enter, sacrifice a Plains instead. If you do, put Kjeldoran Outpost onto the battlefield. If you don't, put it into its owner's graveyard.
: Add .
, : Create a 1/1 white Soldier creature token.

If Soldevi Excavations would enter, sacrifice an untapped Island instead. If you do, put Soldevi Excavations onto the battlefield. If you don't, put it into its owner's graveyard.
: Add .
, : Scry 1.

, Exile the top card of your library: You gain 1 life.

Enchant creature
Enchanted creature can't be blocked unless defending player pays for each creature they control that's blocking it.

Put up to three target cards from an opponent's graveyard on top of their library in any order.

, : Target player shuffles their library.

: Add .

When Insidious Bookworms dies, you may pay . If you do, target player discards a card at random.

: Destroy target noncreature artifact with mana value X.

Enchant creature
Whenever enchanted creature blocks or becomes blocked, it gets +0/+3 until end of turn and you gain 1 life.

Enchant creature you control
Tap enchanted creature: Target creature other than the creature tapped this way gets +2/+1 until end of turn. Activate only if enchanted creature is untapped.

As an additional cost to cast this spell, you may pay .
Prevent all combat damage that would be dealt this turn. If this spell's additional cost was paid, this effect doesn't affect combat damage that would be dealt by red creatures.

Enchant creature you control
: Untap enchanted creature. Activate only during your turn and only once each turn.
Tap enchanted creature: Untap target artifact, creature, or land. Activate only if enchanted creature is white and untapped and only once each turn.

: Choose target opponent. Regenerate Soldevi Sentry. When it regenerates this way, that player may draw a card.

Whenever a creature dies, you may pay . If you do, draw a card.

Death Spark deals 1 damage to any target.
At the beginning of your upkeep, if Death Spark is in your graveyard with a creature card directly above it, you may pay . If you do, return Death Spark to your hand.

Put up to three target creature cards from your graveyard on top of your library.

, Sacrifice two lands: Draw three cards, then discard one of them.

Destroy target creature with power 4 or greater. It can't be regenerated.

Flying
Whenever Swamp Mosquito attacks and isn't blocked, defending player gets a poison counter. (A player with ten or more poison counters loses the game.)

, Sacrifice a creature and a Swamp: Destroy target nonartifact creature. It can't be regenerated.
, Sacrifice a creature and a snow Swamp: Destroy target creature. It can't be regenerated.

Flying (This creature can't be blocked except by creatures with flying or reach.)

Guerrilla Tactics deals 2 damage to any target.
When a spell or ability an opponent controls causes you to discard Guerrilla Tactics, Guerrilla Tactics deals 4 damage to any target.

Counter target spell. Its controller may draw up to two cards at the beginning of the next turn's upkeep.
You draw a card at the beginning of the next turn's upkeep.

: Put the top card of your graveyard on the bottom of your library.

Counter target instant spell if it's blue.
Draw a card at the beginning of the next turn's upkeep.

Cast this spell only during combat before blockers are declared.
All creatures gain menace until end of turn. (They can't be blocked except by two or more creatures.)
Draw a card at the beginning of the next turn's upkeep.