Budget Alternatives to Unsettled Mariner

Dazzling Denial $0.11 1U · Instant Counter target spell unless its controller pays {2}. Lofty Denial $0.24 1U · Instant Counter target spell unless its controller pays {1}. Amulet of Safekeeping $0.25 2 · Artifact Whenever you become the target of a spell or ability an opponent controls, counter that spell or ... Elrond, Master of Healing $0.26 2GU · Elf Noble Whenever you scry, put a +1/+1 counter on each of up to X target creatures, where X is the number... Fey Steed $0.26 2WW · Elk Whenever this creature attacks, another target attacking creature you control gains indestructibl... Parnesse, the Subtle Brush $0.27 2UBR · Vampire Wizard Whenever you or a permanent you control becomes the target of a spell or ability an opponent cont... Thunderbreak Regent $0.30 2RR · Dragon Flying Battle Mammoth $0.37 3GG · Elephant Trample Frost Titan $0.39 4UU · Giant Whenever this creature becomes the target of a spell or ability an opponent controls, counter tha... Pawpatch Recruit $0.45 G · Rabbit Warrior Offspring {2} Leyline of Combustion $0.53 2RR · Enchantment If this card is in your opening hand, you may begin the game with it on the battlefield. Shapers' Sanctuary $0.65 G · Enchantment Whenever a creature you control becomes the target of a spell or ability an opponent controls, yo... Surrak, Elusive Hunter $0.65 2G · Human Warrior This spell can't be countered. Mila, Crafty Companion // Lukka, Wayward Bonder $0.95 Fox // Legendary Planeswalker — Lukka Whenever an opponent attacks one or more planeswalkers you control, put a loyalty counter on each... Rayne, Academy Chancellor $1.06 2U · Human Wizard Whenever you or a permanent you control becomes the target of a spell or ability an opponent cont... Cloud Cover $1.50 2WU · Enchantment Whenever another permanent you control becomes the target of a spell or ability an opponent contr... Reality Smasher $1.73 4C · Eldrazi Trample, haste