I definitely expect to see this card quite often, because its consistent enough to pull its weight despite the mana cost
Haste enablers are staples, and the Heat Shimmer effect has way more impactful targets
Creature - Soldier Cat Color tag templates(None) Linden, the Steadfast Queen Vigilance (Attacking doesn't cause this creature to tap.) Whenever a white creature you control attacks, you gain 1 life
You can sacrifice another creature to put a +1/+1 counter on it, and you can drain people of some life when your bigger stuff dies
By playing enough of both, you'll be passively gaining lore, draining your opponent, and have a board state that will be very tricky for your opponent to unpick in time
Sokratic Dialogue - : Until end of turn, target creature gains "If this creature would deal combat damage to a player, prevent that damage