mtg bloomburrow red cards Season of Loss [Bloomburrow] target Mouse you control gains your choice of double strike or trample until end of turn BLOOMBURROW - The Red Cards

Remember that life loss can come from mana accelerants like Ancient Tomb as a land or the coin flip loss on Mana Crypt

Titan also offers some mild utility as a sac outlet but being sorcery speed it really is mild

If such an ability requires a target, you can target a Room even if both of its doors are unlocked, but the ability won't do anything when it resolves

When you're the Monarch you draw an extra card on your end step, but you may lose it if someone successfully deals combat damage to you

Asinine Antics has the potential to be that auto-include card in blue EDH decks

For Lost Caverns, those cards will include merfolk creature Lord of Atlantis and the Mana Crypt artifact