Ajani, Mentor of Heroes [Mythic Edition] Kaladesh Inventions You can only use this

You can only use this effect of "I:P Masquerena" once per turn

Set: The Lost Art Promotion Card type: Quick Play Spell Rarity: Ultra Rare Target 1 face-up monster on the field

decrease the ATK of all your opponent''s monsters by 500 points

Ridiculous

Ajani, Mentor of Heroes [Mythic Edition] Kaladesh Inventions You can only use thisSet: Mythic Edition Type: Legendary Planeswalker Ajani Rarity: Mythic Cost: {3}{G}{W} +1: Distribute three +1 +1 counters among one, two, or three target creatures you control. +1: Look at the top four cards of your library. You may reveal an Aura, creature, or planeswalker card from among them and put it into your hand. Put the rest on the bottom of your library in any order. 8: You gain 100 life.