Meekstone

Creatures with power 3 or greater don’t untap during their controllers’ untap steps.

Tundra Wolves

First strike (This creature deals combat damage before creatures without first strike.)

Wrath of God

Destroy all creatures. They can’t be regenerated.

Regeneration

Enchant creature (Target a creature as you cast this. This card enters the battlefield attached to that creature.)
: Regenerate enchanted creature. (The next time that creature would be destroyed this turn, it isn’t. Instead tap it, remove all damage from it, and remove it from combat.)

Tragic Poet

, Sacrifice Tragic Poet: Return target enchantment card from your graveyard to your hand.

Pyromancy

, Discard a card at random: Pyromancy deals damage to any target equal to the converted mana cost of the discarded card.

Whispers of the Muse

Buyback (You may pay an additional as you cast this spell. If you do, put this card into your hand as it resolves.)
Draw a card.

Ball Lightning

Trample (This creature can deal excess combat damage to the player or planeswalker it’s attacking.)
Haste (This creature can attack and as soon as it comes under your control.)
At the beginning of the end step, sacrifice Ball Lightning.

Denied!

Choose a card name, then target spell’s controller reveals their hand. If a card with the chosen name is revealed this way, counter that spell.

Incoming!

Each player searches their library for any number of artifact, creature, enchantment, and/or land cards, puts them onto the battlefield, then shuffles their library.

Goblin Tutor

Roll a six-sided die. If you roll a 1, Goblin Tutor has no effect. Otherwise, search your library for the indicated card, reveal it, put it into your hand, then shuffle your library.
2 — A card named Goblin Tutor
3 — An enchantment
4 — An artifact
5 — A creature
6 — An instant or sorcery

Pallimud

As Pallimud enters the battlefield, choose an opponent.
Pallimud’s power is equal to the number of tapped lands the chosen player controls.