Dominaria

Naban, Dean of Iteration | Legendary Creature | Human Wizard | If a Wizard entering the battlefield under your control causes a triggered ability of a permanent you control to trigger, that ability triggers an additional time. | Ryan Alexander Lee

Jaya's Immolating Inferno | Legendary Sorcery | | (You may cast a legendary sorcery only if you control a legendary creature or planeswalker.) Jaya's Immolating Inferno deals X damage to each of up to three targets. | Noah Bradley

Kamahl's Druidic Vow | Legendary Sorcery | | (You may cast a legendary sorcery only if you control a legendary creature or planeswalker.) Look at the top X cards of your library. You may put any number of land and/or legendary permanent cards with mana value X or less from among them onto the battlefield. Put the rest into your graveyard. | Noah Bradley

Blackblade Reforged | Legendary Artifact | Equipment | Equipped creature gets +1/+1 for each land you control. Equip legendary creature {3} Equip {7} | Chris Rahn