Space Marine Scout Space Marine Scout is another creature that puts lands onto the battlefield if youre behind
Restocks vary by location
And the first one, the Priest of Yawgmoth , does something that's going to be infamously replicated by some of the most game-breaking Yawgmoth-related cards, which is cheating out chunks of mana by sacrificing something

Spinarak #9Common $0.16 Pineco #15Common $0.21 Virizion GX #34Ultra Rare $2.21 Slugma #43Common $0.10 Slowpoke #54Common $4.19 Celebi Prism Star #19Prism Rare $11.37 Shaymin #33Holo Rare $3.33 Mantine #58Uncommon $0.25 Wurmple (23) #23Common $0.22 Scyther #3Common $0.29 Alolan Diglett #86Common $0.24 Alolan Diglett #78Common $0.09 Alolan Diglett #121Common $0.24 Alolan Diglett #122Common $0.12 Alolan Diglett #76Common $0.16 Alolan Diglett #84None $0.55 Alolan Diglett #30Common $0.33 Alolan Diglett #76None $0.90 Alolan Diglett #35Common $0.52 Alolan Diglett #32Common $0.86 Pokemon 2-Player Starter Set (Revised Base Set Reprint Run) $239.40 Base Set Theme Deck - "Blackout" (Revised Base Set Reprint Run) Base Set Theme Deck - "Zap!" (Revised Base Set Reprint Run) $499.95 Base Set Theme Deck - "Brushfire" (Revised Base Set Reprint Run) Base Set Theme Deck - "Overgrowth" (Revised Base Set Reprint Run) $685.00 Base Set Booster Pack [Revised Unlimited Edition] $786.87 Base Set Booster Box [Revised Unlimited Edition] $499.99 Pokemon Base Set (Shadowless) [1st Edition] Booster Box

In an enters the battlefield deck, that means you can flicker it to get two mana every time it enters, which enables shenanigans if you can flicker it continuously for 2 mana
To top it off, the five cards included are all playable in Zombie decks to this day