Whenever Lorthos, the Tidemaker attacks, you may pay . If you do, tap up to eight target permanents. Those permanents don't untap during their controllers' next untap steps.
Commander ninjutsu (, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand or the command zone tapped and attacking.)Whenever a Ninja you control deals combat damage to a player, reveal the top card of your library and put that card into your hand. Each opponent loses life equal to that card's mana value.
FlyingAs Sower of Discord enters, choose two players.Whenever damage is dealt to one of the chosen players, the other chosen player also loses that much life.
Commander ninjutsu (, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand or the command zone tapped and attacking.)Whenever a Ninja you control deals combat damage to a player, reveal the top card of your library and put that card into your hand. Each opponent loses life equal to that card's mana value.
Mirrorpool enters tapped.: Add ., , Sacrifice Mirrorpool: Copy target instant or sorcery spell you control. You may choose new targets for the copy., , Sacrifice Mirrorpool: Create a token that's a copy of target creature you control.
Enchant creatureEnchanted creature is an Insect artifact creature with base power and toughness 0/1 and has indestructible, and it loses all other abilities, card types, and creature types.
+1: Look at the top two cards of your library. Put one of them into your hand and the other on the bottom of your library.−1: Untap up to four target permanents.−10: You get an emblem with "You may activate loyalty abilities of planeswalkers you control on any player's turn any time you could cast an instant."Teferi, Temporal Archmage can be your commander.
Whenever you cast a noncreature spell, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)