Artifacts and creatures entering the battlefield don't cause abilities to trigger.
"I owe the Multiverse a debt I fear I can never repay. That remedy begins now, with a first step away from the past and toward the future I wish to see."
Whenever you gain life, put a loyalty counter on Ajani. [0]: You gain 1 life. [–4]: Create a 2/2 white Cat Soldier creature token named Ajani's Pridemate with "Whenever you gain life, put a +1/+1 counter on this token." [–10]: You get an emblem with "Creatures you control get +2/+2."
Creature tokens you control get +1/+0 and have vigilance. {T}: Add one mana of any color. Spend this mana only to cast a planeswalker spell. {1}{W}, Discard this card: It deals 4 damage to target attacking or blocking creature.
Whenever another creature or planeswalker you control enters, you gain 1 life. {1}, {T}, Discard a card: Another target creature or planeswalker you control gains hexproof until end of turn.
Flash When Teyo enters, target permanent you control gains hexproof until end of turn. Put a +1/+1 counter on it if it's a creature. Put a loyalty counter on it if it's a planeswalker.
A hard-earned confidence reinforced his shield. He would not falter.
[+1]: Surveil 1. If you put a noncreature, nonland card into your graveyard this way, put that card into your hand. [+1]: Add {U}. Spend this mana only to cast a noncreature spell. [–X]: Tap target artifact or creature. Put X stun counters on it. [–6]: You get an emblem with "Whenever you cast a spell, draw a card."
When one or more of your opponents are dealt combat damage during your turn, draw two cards. If your library has no cards in it, you win the game. Fblthp's owner shuffles him into their library.
[+1]: Empower Jace X, where X is the number of Islands you control. [–3]: Until your next turn, whenever a creature attacks you or a planeswalker you control, it gets -5/-0 until end of turn. [0]: Exile all but the bottom card of each opponent's library. Activate only if there are twenty-five or more loyalty counters among Jaces you control.
Flying At the beginning of each end step, if you've drawn three or more cards this turn, create a 3/3 blue Angel creature token with flying. {3}{U}{U}: Until end of turn, whenever Lyra deals combat damage to a player, draw two cards.
If a creature an opponent controls would die, exile it instead. [+2]: Up to one target creature gets -4/-1 until your next turn. [–2]: Each player sacrifices a creature of their choice. If you sacrificed a creature this way, create a 4/4 green Beast creature token with trample. [–3]: Each opponent discards two cards. For each opponent who didn't discard two nonland cards this way, you draw a card.