Counter target spell. Its controller mills three cards.

Target player mills two cards.
Draw a card.

Counter target spell with mana value 4 or less.

Target spell or permanent becomes blue. (Mana symbols on that permanent remain unchanged.)

Counter target spell. If a permanent spell is countered this way, exile it instead of putting it into its owner's graveyard. You may cast that card without paying its mana cost for as long as it remains exiled.

Spree (Choose one or more additional costs.)
+ — Counter target spell.
+ — Create a token that's a copy of target artifact or creature you control.
+ — Draw two cards, then discard a card.

Exile the top three cards of your library face down. You may look at those cards for as long as they remain exiled. Until your next turn, you may play those cards. At the beginning of your next upkeep, put any of those cards you didn't play into your graveyard.

Replicate
Create a 3/3 blue Weird creature token with defender and flying. Exile it at the beginning of the next end step.

You may return three Islands you control to their owner's hand rather than pay this spell's mana cost.
Counter target spell.

You may return an Island you control to its owner's hand rather than pay this spell's mana cost.
You may tap or untap target creature.

Create a 5/5 blue Wall creature token with defender. Sacrifice it at the beginning of the next end step.

Simultaneously, all phased-out creatures phase in and all creatures with phasing phase out.

Until end of turn, target Time Lord you control gains "When this creature dies, reveal cards from the top of your library until you reveal a Time Lord creature card. Put that card onto the battlefield and the rest on the bottom of your library in a random order."

Roll a six-sided die. Put target nonland permanent into its owner's library just beneath the top X cards of that library, where X is the result.

End the turn. (Exile all spells and abilities on the stack, including this card. The player whose turn it is discards down to their maximum hand size. Damage wears off, and "this turn" and "until end of turn" effects end.)

Exile Time Walk on the Wild Side. Return the game to the state it was in at the beginning of the turn as much as possible except Time Walk on the Wild Side is still exiled. (Ripped up cards are still exiled and text scratched on scratch cards can't be reused.)

Teamwork 2
Draw three cards. Then discard a card unless this spell was cast using teamwork.

Kicker
Target creature gets -1/-0 until end of turn. If this spell was kicked, that creature blocks this turn if able.
Draw a card.

You may tap or untap target permanent, then you may tap or untap another target permanent.

Discard all the cards in your hand, then draw that many cards.

Creatures you control gain shroud until end of turn.

Put target nonland permanent on top of its owner's library.

Draw two cards. Then discard a card unless you return a land you control to its owner's hand.

Secret council — Each player secretly votes for a creature you don't control, then those votes are revealed. For each creature with one or more votes, put that many stun counters on it, then tap it.

Search your library for a Trap card, reveal it, put it into your hand, then shuffle.

Counter target spell.
Basic landcycling

Split second
Counter target activated or triggered ability. If a permanent's ability is countered this way, activated abilities of that permanent can't be activated this turn. (Mana abilities can't be targeted.)

Choose one —
• Target creature gains flying until end of turn.
• Target creature becomes the creature type of your choice until end of turn.
• Look at the top four cards of your library, then put them back in any order.

Target nonland permanent's owner puts it on their choice of the top or bottom of their library.
Cycling

Up to two target creatures each get +0/+3 until end of turn. Untap those creatures. At this turn's next end of combat, tap each creature that was blocked by one of those creatures this turn and it doesn't untap during its controller's next untap step.