Simic Ascendancy (207s) [Ravnica Allegiance Promos] Dragon Artifacts you control have "{T}:

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

Set: Amonkhet Invocations Type: Legendary Creature — God Rarity: special Cost: {3}{W} Double strike

Set: Nemesis Type: Creature — Angel Rarity: rare Cost: {3}{W}{W} Flying (This creature can't be blocked except by creatures with flying or reach

where X is twice the number of white creatures that player controls

Simic Ascendancy (207s) [Ravnica Allegiance Promos] Dragon Artifacts you control have "{T}:Set: Ravnica Allegiance Promos Type: Enchantment Rarity: rare Cost: {G}{U} {1}{G}{U}: Put a +1 +1 counter on target creature you control. Whenever one or more +1 +1 counters are put on a creature you control, put that many growth counters on this enchantment. At the beginning of your upkeep, if this enchantment has twenty or more growth counters on it, you win the game.