MTG

Whenever an opponent casts a creature spell, if Opal Acrolith is an enchantment, Opal Acrolith becomes a 2/4 Soldier creature. {0}: Opal Acrolith b...

Arc Lightning deals 3 damage divided as you choose among one, two, or three targets.

{2}, {T}, Sacrifice Pit Trap: Destroy target attacking creature without flying. It can't be regenerated.

Enchant permanent (Target a permanent as you cast this. This card enters the battlefield attached to that permanent.) You control enchanted permanent.

Target player gains 2 life for each creature on the battlefield.

When Academy Researchers enters the battlefield, you may put an Aura card from your hand onto the battlefield attached to Academy Researchers.

{3}: Each player puts the top two cards of their library into their graveyard.

Destroy all enchantments. Cycling {2} ({2}, Discard this card: Draw a card.)

{G}: Target creature gains trample until end of turn.

{W}: The next time a white source of your choice would deal damage to you this turn, prevent that damage. Cycling {2} ({2}, Discard this card: Draw...

When an opponent plays a nonbasic land, if Hidden Herd is an enchantment, Hidden Herd becomes a 3/3 Beast creature.

Create three 2/2 white Knight creature tokens. Exile them at the beginning of the next cleanup step.

Smoldering Crater enters the battlefield tapped. {T}: Add {R}. Cycling {2} ({2}, Discard this card: Draw a card.)