mtg unfinity sticker cards I made a cube using stickers to (permanently) alter the creatures! [explained in the comments] : r/mtgcube Unsanctioned Ancient Juggler sticker sheet

So you need to end up in situations where the 3 damage either wins you the game or you take down an important creature, but a lot of the time their important creature will be attacking you

Are there restrictions on usable set symbols or mana symbols

Most cards fit into one of the first five rarity levels, Common, Uncommon, Rare, Super Rare, and Legendary, but certain secret cards have a special Enchanted Rarity instead

It is recommended that you use no more than 60 cards.These cards span various types, notably including land cards that serve the essential function of generating mana, the vital resource required for casting spells