For these reasons and more, Outlast scored high, a 7, on the Storm Scale - a measure of how likely a mechanic is to return in future sets
Wait for a full board (not hard by the time you can actually cast it), drop it into play, and let it die to gain life equal to seven times the number of nonlegendary creatures in play
Crew 2 (Tap any number of creatures you control with total power 2 or more: This Vehicle becomes an artifact creature until end of turn.) Illustrated by Sung Choi Standard Not Legal Alchemy Not Legal Pioneer Legal Historic Not Legal Modern Legal Brawl Not Legal Legacy Legal Comp
You also get a 9/9 later in the game, but thats mostly irrelevant
It's cheap enough of a card that it being stone-useless on entry is alright considering how fast it can get out of hand later on
Walking Ballista Esper Sentinel Blightsteel Colossus Solemn Simulacrum Platinum Angel Baleful Strix Karn, Legacy Reforged Walking Ballista Walking Ballista is a fantastic MTG artifact creature thanks to its method of turning +1/+1 counters into damage