Instant and sorcery spells you cast cost {1} less to cast.

Draw a card, then draw cards equal to the number of cards named Accumulated Knowledge in all graveyards.

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.

Breath Weapon deals 2 damage to each non-Dragon creature.

Counter target spell.

As an additional cost to cast this spell, sacrifice an artifact or discard a card. Draw two cards.

Counter target instant spell.

Counter target creature spell. Draw a card.

Add two mana in any combination of colors. Draw a card.

Prevent all combat damage that would be dealt this turn. Flashback {2}{G} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Skred deals damage to target creature equal to the number of snow permanents you control.

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.) Buyback {3} (You may pay an additional {3} as you cast this spell. If you do, put this card into your hand as it resolves.) Create a 1/1 green Saproling creature token.

({T}: Add {G} or {U}.) This land enters tapped.

({T}: Add {G}.)

({T}: Add {U}.)

({T}: Add {R}.)

Target player draws two cards. Flashback—{1}{U}, Pay 3 life. (You may cast this card from your graveyard for its flashback cost. Then exile it.)