mtg engagement card Agile (Yellow) | Heavy Hitters When Wedding Invitation enters the battlefield Phoenix Heart - MTG Wiki

You can give creatures you dont control -2/-0 until the end of the turn, you can create a taped Powerstone token, you can make a 0/0 Construct creature that has +1/+1 for each artifact you control or you can scry 1 and then draw a card

Throw in a card like Nest of Scarabs, and suddenly every -1/-1 counter spawns an army to fuel even more sacrifices and turn Yawgmoth into a full-blown combo machine

'Design space' is a measure of how many significantly unique cards you could reasonably print with the mechanic in question

"Metamorphosis 2.0 Decks"

Nevils jump ability is definitely fun, it's likely to cause some issues when being played in a cramped LGS