Aurelia, Exemplar of Justice [Guilds of Ravnica Promos] Portal Three Kingdoms Promos Rishada is the gateway to

Rishada is the gateway to free trade—but the key will cost you

Set: Fifth Dawn Type: Artifact Rare Cost: {2} {3}

If a permanent entering the battlefield causes a triggered ability of a permanent you control to trigger

Set: Planechase Type: Sorcery Rarity: Uncommon Cost: {2}{U} Search your library for an artifact card

The same is true for creature spells you control and creature cards you own that aren't on the battlefield

Aurelia, Exemplar of Justice [Guilds of Ravnica Promos] Portal Three Kingdoms Promos Rishada is the gateway toSet: Guilds of Ravnica Promos Type: Legendary Creature Angel Mythic Cost: {2}{R}{W} Flying Mentor (Whenever this creature attacks, put a +1 +1 counter on target attacking creature with lesser power.) At the beginning of combat on your turn, choose up to one target creature you control. Until end of turn, that creature gets +2 +0, gains trample if it's red, and gains vigilance if it's white.