Destroy all creatures you don't control. They can't be regenerated.

Target player reveals their hand. You choose an instant or sorcery card from it and exile that card. You may cast that card for as long as it remains exiled. At the beginning of the next end step, if you haven't cast the card, return it to its owner's hand.

Trample

Defender (This creature can't attack.)
: Return Quicksilver Wall to its owner's hand. Any player may activate this ability.

Rebel Informer can't be the target of white spells or abilities from white sources.
: Put target nontoken Rebel on the bottom of its owner's library.

Counter target spell unless its controller pays , where X is its converted mana cost.

Whenever one or more creatures attack you, if Reveille Squad is untapped, you may untap all creatures you control.

: Choose a color. Add one mana of that color unless any player pays . Activate this ability only any time you could cast an instant.

: Any player may pay . If no one does, the next time a source of your choice would deal damage to you this turn, prevent that damage.

: Tap target creature unless its controller pays .

Rhystic Lightning deals 4 damage to any target unless that permanent's controller or that player pays . If they do, Rhystic Lightning deals 2 damage to the permanent or player.

Draw three cards. Then if any player pays , discard three cards.

Creatures you control get +0/+1 until end of turn. They get an additional +0/+2 until end of turn unless any player pays .

Whenever an opponent casts a spell, you may draw a card unless that player pays .

Unless target player pays , that player loses 5 life and you gain 5 life.

Unless any player pays , search your library for a card, put that card into your hand, then shuffle your library.

Reach (This creature can block creatures with flying.)

Flying
: Ribbon Snake loses flying until end of turn. Any player may activate this ability.

: Ridgeline Rager gets +1/+0 until end of turn.

Mercenaries don't untap during their controllers' untap steps.