Thirst for Meaning

Draw three cards. Then discard two cards unless you discard an enchantment card.

Brine Giant

This spell costs {1} less to cast for each enchantment you control.

Flash
When Omen of the Sea enters, scry 2, then draw a card.
{2}{U}, Sacrifice Omen of the Sea: Scry 2.

Flash
When Omen of the Sun enters, create two 1/1 white Human Soldier creature tokens and you gain 2 life.
{2}{W}, Sacrifice Omen of the Sun: Scry 2.

During turns other than yours, spells you cast cost {1} less to cast.

Enchant creature
Enchanted creature can't attack or block.

Divine Arrow deals 4 damage to target attacking or blocking creature.

Flash
Enchant creature
Enchanted creature can't attack or block, and its activated abilities can't be activated.

Flash (You may cast this spell any time you could cast an instant.)
Vigilance

Counter target spell unless its controller pays {2}.