mtg.wtf

All Sliver creatures have "Whenever this creature is dealt damage, put a +1/+1 counter on it."

When this creature dies, mill four cards.

Target creature gets +3/+3 until end of turn and must be blocked this turn if able.

Draw three cards. Then discard two cards unless you discard a creature card.

Backup 1
When this creature dies, put its counters on target creature you control.

(Jasconian Isle isn't a spell, it's affected by summoning sickness, it's blue, and it has "{T}: Add {U}.")
Jasconian Isle enters tapped.
Jasconian Isle doesn't untap during your untap step.
At the beginning of your upkeep, you may pay {U}{U}. If you do, untap Jasconian Isle.

{U}: This creature gets +1/-1 until end of turn.
Eternalize—{3}{U}{U}, Discard a card.

Trample
Equipped creature gets +3/+2 and has trample.
Reconfigure {5}

When this enchantment enters, you become the monarch.
Whenever a creature attacks you or a planeswalker you control, that creature's controller loses 1 life.

{T}: Add {R}.
Whenever you cast a permanent spell using mana produced by Tecutlan, discover X, where X is that spell's mana value.

When this creature dies, distribute three -1/-1 counters among one, two, or three target creatures. For each -1/-1 counter you put on a creature this way, remove a -1/-1 counter from that creature at the beginning of the next end step.

Flying, trample, haste
At the beginning of the end step, this creature's owner shuffles it into their library.

{3}{U}, Exile this creature: You may put a creature card from your hand onto the battlefield. If you do, that creature gains haste until end of turn. At the beginning of the next end step, sacrifice that creature. If you do, return this card to the battlefield.

Flash
This spell costs {1} less to cast for each attacking creature.
Trample
When this creature dies, create a 6/12 colorless Construct artifact creature token with trample.

Flying
Whenever this creature deals combat damage to a player, exile that many cards from the top of your library. Until end of turn, you may cast spells from among those exiled cards.

Create four 1/1 colorless Soldier artifact creature tokens.

This creature can't block.

I, II — Each opponent creates a 1/1 black Rat Rogue creature token.
III — Exile this Saga, then return it to the battlefield transformed under your control.

{R}: This creature gains flying until end of turn. Activate only if you control a creature with flying.

Creature spells you cast with mana value 6 or greater cost {2} less to cast.

{T}: Change the text of target white enchantment you control that doesn't have cumulative upkeep by replacing all instances of one color word with another. That enchantment gains "Cumulative upkeep {1}."

Counter target spell with mana value 4 or less.

When this creature enters, create a 1/1 blue Merfolk creature token with hexproof.

Put a +1/+1 counter on target creature you control. It gains reach, trample, hexproof, and indestructible until end of turn.

At the beginning of your upkeep, put target creature card from a graveyard onto the battlefield under your control.