Renown 1 (When this creature deals combat damage to a player, if it isn't renowned, put a +1/+1 counter on it and it becomes renowned.) When Renegade Spiritualist becomes renowned, create a 1/1 green Spirit creature token.
Adjudicate, then each player returns a creature they control that isn't enchanted to its owner's hand. (Create a white Aura enchantment token with enchant creature and “Sacrifice this token: Untap enchanted creature” attached to target creature.)
Sometimes the law must be discriminating, in order to be refined.
Repurposed Construct enters tapped. {T}: Add {B} or {G}. {B}{G}, {T}, Sacrifice Repurposed Construct: Conjure a card named Data-Point into your hand. (It's a sorcery that costs {2} with “Draw a card.”)
Sacrifice Repurposed Killdrone: It deals 1 damage to any target. You gain 1 life.
Those that politically opposed the use of wardrones in space exploration found themselves out of jobs, and so the wheels of promotion were set into motion.
{2}, Sacrifice Research Aquarium: Draw a card. When Research Aquarium is put into a graveyard from the battlefield, investigate. (Create a colorless Clue artifact token with “{2}, Sacrifice this artifact: Draw a card.”)
Trample When Resolution of Stone enters, put a +1/+1 counter on target creature you control. Revive {4}{G}{G}({4}{G}{G}, Exile this card from your graveyard: Create a token that's a copy of it except it has no mana cost. Revive only as a sorcery.)