Standstill [IDW Comics 2012] Commander's Arsenal Creatures with islandwalk can be

Creatures with islandwalk can be blocked as though they didn't have islandwalk

Set: Ixalan Prerelease Promos Type: Creature — Dinosaur Rarity: Rare Cost: {2}{R} Menace

you may pay {3}

Set: Planechase Type: Creature — Elemental Shaman Rarity: Uncommon Cost: {R} When Flamekin Harbinger enters the battlefield

Standstill [IDW Comics 2012] Commander's Arsenal Creatures with islandwalk can beSet: IDW Comics 2012 Type: Enchantment Rarity: Rare Cost: {1}{U} When a player casts a spell, sacrifice Standstill. If you do, each of that player's opponents draws three cards. "You learn a lot in no time when you're about to get your neck snapped." Dack Fayden