Steam Vents (Borderless) [Unfinity]Set: Unfinity Type: Land Island Mountain Rarity: Rare ({T}: Add {U} or {R}.) As Steam Vents enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.

Set: Unlimited Edition Type: Artifact Rarity: Rare Cost: {3} {3}

Set: POP Series 2 Type: Water Rarity: Rare Retreat cost: Colorless

Set: Classic Sixth Edition Type: Artifact Rarity: Rare Cost: {1} Creatures with power 3 or greater don't untap during their controllers' untap steps

Set: Secret Lair Drop Promos Type: Artifact — Equipment Rarity: Rare Cost: {2} Equipped creature has hexproof and haste

Enchanted creature has first strike

Other spells (41):

Then that player loses all unspent mana and you add the mana lost this way

Set: EX: Legend Maker Type: Colorless Rarity: Holo Rare Retreat cost: 0

When that mana is spent to cast an instant or sorcery spell

Set: Summer Magic / Edgar Type: Enchantment Rarity: Uncommon Cost: {3}{R} Attacking creatures you control get +1/+0

if an opponent controls more lands than you

When Dispersion Haze becomes the target of an attack