mtg cards like duress nonland card from it MTG Cube: Top 10 Discard

When multiple of these effects are on the field, you can use the likes of Ghostly Flicker to blink both, return Flicker and an extra card to your hand, and repeat this sequence over and over again, which can be a pain to interact with if the second spell is a counterspell

1 Hullbreaker Horror

Floodpits Drowner won't be shuffled into its owner's library

Being under $3 is a great boon

As a sorcery, you may pay the mana cost of a locked door to unlock it.) A creature attacks alone if it's the only creature declared as an attacker during the declare attackers step (including creatures controlled by your teammates, if applicable)