Vivien's Stampede (Promo Pack) [Streets of New Capenna Commander Promos] 10 lands you control have "{T}:

lands you control have "{T}: Add one mana of any color

Set: Magic 2015 Type: Instant Rarity: Rare Cost: {1}{U}{U} Until end of turn

often tormenting its victims much like a cat plays with a mouse before delivering the final blow

Set: Judge Gift Cards 2016 Type: Instant Rarity: Rare Cost: {U}{U} Counter target spell

The last barrier to entry — i

Vivien's Stampede (Promo Pack) [Streets of New Capenna Commander Promos] 10 lands you control have "{T}:Set: Streets of New Capenna Commander Promos Type: Sorcery Rarity: Rare Cost: {4}{G}{G} Each creature you control gains vigilance, trample, and melee until end of turn. (Whenever a creature with melee attacks, it gets +1 +1 until end of turn for each opponent you attacked this combat.) At the beginning of the next main phase this turn, draw a card for each player who was dealt combat damage this turn.