Riftbound Battlefield: Altar of Blood. If a unit here would die during combat, its controller may pay [A][A][A] to heal it, exhaust it, and recall it instead.
Riftbound Battlefield: Abandoned Hall. When a player plays a spell, they may give a unit they control here +1 [S] this turn.
Riftbound Battlefield: Threshold of the Gray. When combat starts here, the attacker and defender each [Add] [1].
Riftbound Battlefield: Shadow Temple. When you hold here, [Burn 3]. (Put the top 3 cards of your Main Deck into your trash.)
Riftbound Battlefield: Sandswept Tomb. Each spell that chooses one or more units here that are friendly to it costs [A] less.
Riftbound Battlefield: Risen Altar. [Empower] costs of your units here cost [1] or [A] less.
Riftbound Battlefield: Protective Sands. When you conquer here, if you control 4 or fewer runes, you may pay [1] to draw 1.
Riftbound Battlefield: Piltovan Forge. While you control this battlefield, the first friendly gear activated ability played each turn costs [1] less.
Riftbound Battlefield: Mystic Vortex. During showdowns here, cards with [Reaction] cost [A] more to play. (Hidden cards have [Reaction].)
Riftbound Battlefield: Kinkou Temple. Units here with [Tank] have +1 [S].
Riftbound Battlefield: Heisho, Shell of the World. Players ignore [Deflect] while paying for spells and abilities choosing something here.
Riftbound Battlefield: Dragon Roost. Any player may pay [A][A] as an additional cost to play a Dragon. If they do, they play it to this battlefield.