Stenn, Paranoid Partisan (Showcase) [Dominaria United]

Stenn, Paranoid Partisan (Showcase) [Dominaria United]Set: Dominaria United Type: Legendary Creature Human Wizard Rarity: Rare Cost: {W}{U} As Stenn, Paranoid Partisan enters the battlefield, choose a card type other than creature or land. Spells you cast of the chosen type cost {1} less to cast. {1}{W}{U}: Exile Stenn. Return it to the battlefield under its owner's control at the beginning of the next end step.

Others just get really

"Atarka's people starve while she feasts upon the bounty of their hunts

Enchanted creature gets +1/+1 and has flying

When Circuit Mender leaves the battlefield

Grimeblotters spend so much time in the Dark Meanders that they're able to bring a piece with them wherever they go

Root systems in Mwonvuli twist through currents of mana rather than soil

Put it onto the battlefield under your control

Set: Commander 2017 Type: Enchantment Rarity: Rare Cost: {3}{U}{U} As Kindred Discovery enters the battlefield

Set: Dominaria Type: Legendary Artifact — Equipment Rarity: Rare Cost: {2} Equipped creature gets +1/+1 for each land you control

Set: Urza's Saga Type: Artifact Creature — Gnome Rarity: Rare Cost: {2} {4}

Heedless One's power and toughness are each equal to the number of Elves on the battlefield

Despite the chaos of the Roil and the devastation of the Eldrazi