Grenzo, Dungeon Warden [Masters 25] Cyborg Advisor you may sacrifice a creature

you may sacrifice a creature or land

Set: Guilds of Ravnica Type: Creature — Viashino Soldier Rarity: Common Cost: {3}{R}{W} Garrison Sergeant has double strike as long as you control a Gate

You may put a creature card from it onto the battlefield under your control

and the trickiest problems simply melt away

Set: Planechase Type: Creature — Zombie Cleric Rarity: Common Cost: {1}{B} {T}: Each player loses 1 life for each Zombie on the battlefield

Grenzo, Dungeon Warden [Masters 25] Cyborg Advisor you may sacrifice a creatureSet: Masters 25 Type: Legendary Creature Goblin Rogue Rarity: Rare Cost: {X}{B}{R} Grenzo, Dungeon Warden enters the battlefield with X +1 +1 counters on it. {2}: Put the bottom card of your library into your graveyard. If it's a creature card with power less than or equal to Grenzo's power, put it onto the battlefield.